| parabola |
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noun (plural parabolas or parabolae)
- (geometry) The conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of a point equidistant from a point (the focus) and a line (the directrix).
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| parallel |
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noun
- One of a set of parallel lines.
- A line of latitude.
- The 31st passes through the center of my town.
- An arrangement of electrical components such that a current flows along two or more paths; see in parallel
verb (parallels, paralleling or parallelling (British only), paralleled or parallelled (British only))
- To construct something parallel to something else.
- Of a path etc: To be parallel to something else.
- Of a process etc: To be analogous to something else.
- To compare or liken something to something else.
adjective
- Of two or more (straight) lines, (flat) surfaces etc: equally, Equally distant from one another at all points.
- The horizontal lines on my notebook paper are parallel.
- parallel to: Of one thing, relative to another: Equally distant from at all points.
- The railway line runs to the road.
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| parallelepiped |
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noun
- (mathematics) Solid figure, having six faces, all parallelograms; all opposite faces being similar and parallel
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| parallelogram |
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noun ((plural) parallelograms)
- (geometry) A convex quadrilateral in which each pair of opposite edges are parallel and of equal length.
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| parametric equation |
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noun - (mathematics) a set of equations that defines the coordinates of the dependent variables (x, y and z) of a curve or surface in terms of one or more independent variables (the parameters)
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| partial derivative |
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noun - (mathematics) a derivative with respect to one variable of a function of several variables
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| partial differential equation |
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noun
- (mathematics) a differential equation that involves the partial derivatives of a function of several variables
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| pencil |
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noun
- (obsolete) A paintbrush.
- Writing utensil that uses graphite (commonly referred to as lead). Regular pencils usually have a graphite shaft surrounded by wood. A pencil sharpener is used to cut away the wood and leave a fine tip on the pencil. Also available in a mechanical version where the graphite length can be adjusted and sharpening is not needed.
verb
- to squeeze something (meeting, feature, appointment, etc.) into a tight schedule
- I am very busy today but I can you in at 3 p.m.
- to tentatively make a booking
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| pentad |
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noun
- a group or series of five things
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| pentadecagon |
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noun
- a polygon with fifteen sides
- 2003: In � O, draw chord AB equal to r. Draw chord AC equal to Vt (which is the side of a regular decagon). CB is now one side of the regular . " Steven Atiyah, Essentials of Geometry (Trafford 2003, p. 357)
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| Pentagon |
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proper noun
- the headquarters of the United States of America's Department of Defense.
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| percent |
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noun (percent)
- A part or other object per hundred
- A resolution must receive fifty-one of the votes to pass.
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| percentage |
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noun
- The amount, number or rate of something, regarded as part of a total of 100; a part of a whole.
- A high of secondary school leavers take a gap year.
- A share of the profits.
- She gets a for every vacuum cleaner sold.
- (informal) benefit, Benefit or advantage.
- There was no in staying at home.
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| perfect |
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verb
- (transitive) To make perfect; to improve or hone.
- I am going to this article.
- You spend too much time trying to prefect your dancing.
adjective (rfc-level, Adjective at L4+ not in L3 Ety section)
- Fitting its definition precisely.
- a circle
- Having all of its parts in harmony with a common purpose.
- That bucket with the hole in the bottom is a poor bucket, but it is for watering plants.
- Thoroughly skilled or talented.
- practice makes
- Excellent and delightful in all respects.
- a day
- (grammar) (of a tense or verb form) Representing a completed action.
- (biology) Sexually mature and fully differentiated.
- (botany) Having both male (stamens) and female (carpels) parts.
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| perfect number |
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noun (plural perfect numbers)
- (number theory) A number that is the sum of all of its divisors except itself.
- The factors of 28 are 1, 2, 4, 7, 14 and 28, and 1 + 2 + 4 + 7 + 14 = 28, so 28 is a .
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| perigon |
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noun (plural perigons)
- (geometry) A round angle.
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| perimeter |
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noun
- (mathematics) The sum of the distance of all the lengths of the sides of an object.
- The outer limits of an area. See Synonyms at circumference.
- (mathematics) The length of such a boundary.
- A fortified strip or boundary usually protecting a military position.
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| period |
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noun
- (context, now mostly, North America) Punctuation mark ending a sentence or marking an abbreviation. <!-- What languages does this apply to? All? Or just most? Should it be
adjective
- appropriate, Appropriate for a given historical era.
- 2004, Mark Singer, Somewhere in America, Houghton Mifflin, page 70
- :As the guests arrived — there were about a hundred, a majority in attire — I began to feel out of place in my beige summer suit, white shirt, and red necktie. Then I got over it. I certainly didn't suffer from Confederate-uniform envy.
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| periodic |
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adjective
- Relative to a period or periods.
- Having repeat, repeated cycle, cycles.
- Occurring at regular interval, intervals.
- Pertaining to the revolution of a celestial object in its orbit.
- Periodical.
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| periodic function |
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noun - (mathematics) Any function whose value repeats after the regular addition of a period to its independent variable; i.e. f(x+t) = f(x) for some t over all x
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| Perpendicular |
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proper noun
- (architecture) Of a style of English Gothic architecture from the fourteenth and fifteenth century, centuries.
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| planar |
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adjective
- of, or relating to a plane
- flat, two-dimensional
- (graph theory) of a graph, can be embedded in the plane with no edges intersecting
- A complete graph with more than four nodes is never .
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| plane |
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noun
- (geometry) A flat surface extending infinitely in all directions.
- A level of existence. (eg, astral plane)
- A roughly flat, thin, often moveable structure used to create lateral force by the flow of air or water over its surface, found on aircraft, submarines, etc.
verb (plan, ing)
- (transitive) To smooth (wood) with a plane.
adjective
- Of a surface: Perfectly flat or level.
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| planimeter |
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noun
- An integrating device used to measure the area of an irregular figure via tracing its outline
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| Platonic solid |
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noun (plural Platonic solids)
- (geometry) Any one of the following five polyhedron, polyhedra: the regular tetrahedron, the cube the regular octahedron, the regular dodecahedron and the regular icosahedron.
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| plot |
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noun
- The general course of a story including significant events that determine its course or significant patterns of events.
- An area or land used for building on or planting on.
- A plan to commit a crime.
- A graph or diagram drawn by hand or produced by a mechanical or electronic device.
verb (plot, t, ing)
- (transitive) To conceive (a crime, etc).
- They had plotted'' a robbery.
- (transitive) To trace out (a graph or diagram).
- They plotted the number of edits per day.
- (transitive) To mark (a point on a graph, chart, etc).
- Every five minutes they plotted their position.
- (intransitive) To conceive a crime, misdeed, etc.
- ''They were plotting against the king.
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| plus |
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noun (plural pluses or plusses)
- A positive quantity.
- An asset or useful addition.
- He is a real to the team.
- (arithmetic) A plus sign: +.
adjective
- Being positive rather than negative or zero.
- -2
- -2 = +4 ("minus 2 times minus 2 equals four")
- Positive, or involving advantage.
- He is a factor.
- (physics) electrically, Electrically positive.
- A battery has both a pole and a minus pole.
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| plus sign |
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noun (plural plus signs)
- (arithmetic) The symbol + used to denote the operation of addition and to indicate that a number is positive.
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| point |
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noun
- A location or place.
- (geometry) A zero-dimensional mathematical object representing a location in one or more dimensions.
- A particular moment in an event or occurrence.
- At this point in the meeting, I'd like to propose a new item for the agenda.
- The sharp tip of an object.
- A peninsula.
- (arithmetic) A decimal point (used when reading decimal fractions aloud).
- 10.5 ("ten point five"; = ten and a half)
- An opinion which adds (or supposedly adds) to the discussion.
- A unit of measure of success or failure in a game or competition; the unit of score, scoring.
- The one with the most points will win the game
- Germany awarded Greece the maximum 12 points in the Eurovision Song Contest.
- The color/colour on the extremities of an animal (typically darker or richer) than the rest of the coat).
- The point color of that cat was a deep, rich sable.
- (rail transport, Commonwealth) a device by which trains change tracks; switch
- (cricket) a fielding position square of the wicket on the off side, between gully and cover.
- The position at the front or vanguard of an advancing force.
- 2005: Willie Jones decided to become Kimani Jones, Black Panther, on the day his best friend, Otis Nicholson, stepped on a mine while walking during a sweep in the central highlands. " Martin Torgoff, Can't Find My Way Home (Simon & Schuster 2005, p. 189)
- (nautical) An angle equivalent to eleven and a quarter degrees, that is 1/32 of a circle. Most commonly used to indicate a relative bearing to an object or vessel, but can be used to describe a compass bearing.
verb
- (intransitive) To extend the index finger in the direction of something in order to show where it is or to draw attention to it.
- It's rude to at other people.
- (transitive) To direct or encourage (someone) in a particular direction
- If he asks for food, him toward the refrigerator.
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| point of inflection |
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noun
- (mathematics) a point on a curve at which the sign of the curvature changes; at this point the second derivative of the underlying function will be zero, but positive on one side and negative on the other
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| polar coordinates |
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noun plural
- (mathematics) The coordinates of a point in a plane, measured as its Cartesian distance from the origin and the angle measured anticlockwise/counterclockwise from the x-axis, x-axis to a line joining the point to the origin.
- (mathematics) The coordinates of a point in three-dimensional space, measured as its Cartesian distance from the origin, the angle measured from the z-axis to a line joining the point to the origin, and the angle measured anticlockwise from the x-axis to this line.
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| polyconic |
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adjective
- Pertaining to, or based upon, many cones.
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| polygon |
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noun
- (geometry) A plane figure bounded by straight edges.
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| polyhedral |
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adjective - (geometry) (Of a solid or surface.) Having multiple planar faces or facets.
- (aeronautics) (Of a fixed-wing aircraft.) Having multiple dihedral angles along the wingspan
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| polyhedron |
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noun (polyhedr, a, pl2=polyhedrons)
- (geometry) A solid figure with many faces.
- (optics) A polyscope, or multiplying glass.
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| positive |
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noun
- A thing capable of being affirmed; something real or actual.
- A favourable point or characteristic.
- Something having a value in physics, such as an electric charge.
- (grammar) An adjective or adverb in the degree.
- (context, photography) A image; one that displays true colors and shades, as opposed to a negative.
adjective
- Definitively laid down; explicitly stated; clearly expressed, precise, emphatic.
- Bacon:
- : Positive words, that he would not bear arms against King Edward"s son.
- Fully assured, confident; certain.
- I"m absolutely you've spelt that wrong.
- Overconfident, dogmatic.
- Pope:
- : Some , persisting fops we know, That, if once wrong, will needs be always so.
- (grammar) Describing the primary sense of an adjective or adverb; not comparative or superlative.
- "Better" is an irregular comparative of the form "good".
- Derived from an object by itself; not dependent on changing circumstances or relations; absolute.
- The idea of beauty is not , but depends on the different tastes of individuals.
- Wholly what is expressed; colloquially downright, entire, outright.
- Good lord, you've built up a arsenal of weaponry here.
- Characterised by the existence or presence of qualities or features, rather than by their absence.
- The box was not empty " I felt some substance within it.
- Characterised by the presence of features which support a hypothesis.
- The results of our experiment are .
- Characterised by affirmation, constructiveness, or influence for the better; favourable.
- He has a outlook on life.
- The first-night reviews were largely .
- Swift:
- : a voice in legislation.
- (context, chiefly, philosophy) actual, Actual, real, concrete.
- Bacon:
- : Positive good.
- (photography) Of a visual image, true to the original in light, shade and colour values.
- A photograph can be developed from a photographic negative.
- (physics) Having more protons than electrons.
- A cation is a positive ion as it has more protons than electrons.
- (slang) HIV positive.
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| potency |
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noun (potenc, ies)
- Strength; power; the ability or capacity to perform something.
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| power set |
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noun (plural power sets)
- (settheory) The set of all subsets of a set. Notation for a set S: <math>\mathcal{P}(S)</math> or 2S
- The of {1, 2} is {í�, {1}, {2}, {1, 2}}
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| precision |
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noun
- the state of being precise or exact; exactness
- the ability of a measurement to be reproduced consistently
- (mathematics) the number of significant digits to which a value may be measured reliably
adjective
- used for exact or precise measurement
- made, or characterized by accuracy
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| prime |
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noun
- the earliest stage
- the most active, thriving, or successful stage or period
- the chief or best individual or part
- (music) The first note or tone of a musical scale.
- (fencing) The first defensive position, with the sword hand held at head height, and the tip of the sword at head height.
- (context, algebra, number theory) A prime element of a mathematical structure, particularly a prime number.
- 3 is a prime.
- (backgammon) Six consecutive blocks, which prevent the opponent's pieces from passing.
- I'm threatening to build a prime here.
verb (prim, es)
- (transitive) To prepare a mechanism for its main work.
- You'll have to press this button twice to prime the fuel pump.
- (transitive) To apply a coat of primer paint to.
- I need to prime these handrails before we can apply the finish coat.
adjective
- First in time, order, or sequence
- Both the English and French governments established prime meridians in their capitals.
- First in excellence, quality, or value.
- This is a prime location for a bookstore.
- (mathematics) Having no integral factors except itself and unity (1 in the case of integers).
- Thirteen is a prime number.
- First in importance, degree, or rank.
- Our prime concern here is to keep the community safe.
- (mathematics) Having its complement closed under multiplication: said only of ideals.
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| prime number |
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noun (pl=prime numbers)
- (number theory) Any natural number greater than 1 divisible only by itself and 1.
- Every natural number greater than 1 can be factorized into prime numbers.
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| prism |
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noun
- (mathematics) A polyhedron with parallel ends of the same size and shape, the other faces being parallelogram-shaped sides.
- A transparent block in the shape of a prism (typically with triangular ends), used to split or reflect light.
- A crystal in which the faces are parallel to the vertical axis.
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| progression |
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noun
- Moving from one thing to another.
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| projective geometry |
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noun - (mathematics) a branch of mathematics that investigates those properties of figures that are invariant when projected from a point to a line or plane
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| prolate |
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adjective
- elongate, Elongated at the poles.
- A cigar is a spheroid.
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| proof |
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noun
- Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
- For whatsoever mother wit or art Could work, he put in . -w:Spenser.
- You shall have many proofs to show your skill. -w:Ford.
- Formerly, a very rude mode of ascertaining the strength of spirits was practiced, called the . -w:Ure.
- That degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments that induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
- I'll have some . -w:Shak.
- It is no of a man's understanding to be able to confirm whatever he pleases. -w:Emerson.
- :Note: Properly speaking, proof is the effect or result of evidence, evidence is the medium of proof. Cf. Demonstration, 1.
- 1990 October 28, w:Paul Simon, Paul Simon, "Proof", w:The Rhythm of the Saints, The Rhythm of the Saints, Warner Bros.
- : Faith, faith is an island in the setting sun / But , is the bottom line for everyone
- The quality or state of having been proved or tried; firmness or hardness that resists impression, or does not yield to force; impenetrability of physical bodies.
- Firmness of mind; stability not to be shaken.
- (printing) A proof sheet; a trial impression, as from type, taken for correction or examination.
- (mathematics): A process for testing the accuracy of an operation performed. Cf. Prove, v. t., 5.
- (obsolete): Armor of excellent or tried quality, and deemed impenetrable; properly, armor of proof.
- A measure of the alcohol content of liquor. Originally in Britain 100 was defined as 57,1% by volume (not used anymore). In the US 100 means that the alcohol content is 50% of the total volume of the liquid and thus absolute alcohol would be 200 .
verb
- (colloquial) To proofread.
adjective
- Used in proving or testing; as, a proof load, or proofcharge.
- Firm or successful in resisting; as, proof against harm; waterproof; bombproof.
- I ... have found thee Proof against all temptation. -w:Milton.
- This was a good, stout article of faith. -w:Burke.
- Being of a certain standard as to strength; -- said of alcoholic liquors.
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| proper |
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adjective
- Suited or acceptable to the purpose or circumstances; fit, suitable
- ''The time to plant potatoes.
- Following the established standards of behavior or manners; correct or decorous
- A very young lady.
- Fitting; right
- ''It is only to bring food to a potluck.
- Exact; precise
- (italbrac, used after the noun) In the very strictest sense of the word:
- According to the Supreme Court, tomatoes do not belong to the fruits proper.
- The school is located in the town proper.
- (grammar) used to designate a particular person, place or thing written with an initial capital letter.
- Common or ordinary.
- Belonging to oneself or itself; own.
- He was restored to his color after taking the elixir.
- Complete or thorough
- I gave that boy a whipping.
- Entitled to its name; true.
- I wanted a proper breakfast, not just a morning snack.
- (tincture) having its natural or usual coloration, though this is often according to what heraldic convention defines as the natural or usual; proper is considered to be its own tincture.
- (context, informal) utter
- When I realized I was wearing my shirt inside out, I felt a fool.
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| proper fraction |
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noun (plural proper fractions)
- (arithmetic) A vulgar fraction in which the magnitude of the numerator is less than or equal to that of the denominator, such as 2/3.
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| proportion |
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noun
- (countable) a quantity of something that is part of the whole amount or number.
- (uncountable) harmonious relation of parts to each other or to the whole.
- (countable) proper or equal share.
- (uncountable) the relation of one part to another or to the whole with respect to magnitude, quantity, or degree.
- (context, mathematics, countable) A statement of equality between two ratios.
verb
- To set or render in proportion.
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| proposition |
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noun (wikipedia, proposition, proposition (logic))
- (uncountable) The act of offering (an idea) for consideration.
- (countable) An idea or a plan offered.
- (countable) (in business settings) The terms of a transaction offered.
- (countable) (logic) The content of an assertion that may be taken as being true or false and is considered abstractly without reference to the linguistic sentence that constitutes the assertion.
- In some states of the US, a proposed statute or constitutional amendment to be voted on by the electorate.
- In mathematics, a proposition is an assertion formulated in such a way that it may be proved true or false.
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| prove |
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verb (proves, proving, proved, proved or proven)
- (transitive) To demonstrate that something is true; to give proof for.
- I will my method is more effective than yours.
- The hypothesis has not been proven to our satisfaction.
- To turn out; to manifest.
- It proved to be a cold day.
- Have an exit strategy should your calculations incorrect.
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| pyramid |
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noun
- An ancient massive construction with a square or rectangular base and four triangular sides meeting in an apex, such as those built as tombs in Egypt or as bases for temples in Mesoamerica.
- A construction in the shape of a pyramid, usually with a square or rectangular base.
- (geometry) A solid with triangular lateral faces and a polygonal (often square or rectangular) base.
- A pyramid scheme.
(seeCites)
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| Pythagorean theorem |
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proper noun (-, sg=Pythagorean theorem)
- (geometry) A mathematical theorem which states that the square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of those of the other two other sides.
- (functional analysis) A generalization of the Pythagorean theorem (1) to Hilbert spaces
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