| pad |
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noun
- A flattened mass of anything soft, to sit or lie on.
- (context, US, slang) A bed.
- (colloquial) A place of residence.
- A cushion used as a saddle without a tree or frame.
- A soft, or small, cushion.
- A cushion-like thickening of the skin on the under side of the toes of animals; an animal's foot or paw.
- Any cushion-like part of the human body, especially the ends of the fingers.
- A stuffed guard or protection, especially one worn on the legs of horses to prevent bruising.
- A soft bag or cushion to relieve pressure, support a part, etc.
- A floating leaf of a water lily or similar plant.
- (cricket) a batsman's leg pad that protects it from damage when hit by the ball
- A kind of cushion for writing upon, or for blotting, especially one formed of many flat sheets of writing paper; now especially such a block of paper sheets as used to write on.
- A panel or strip of material designed to be sensitive to pressure or touch.
- A keypad.
- A flat surface or area from which a helicopter or other aircraft may land or be launched.
- An electrical extension cord with a multi-port socket one end: "trip cord"
- the effect produced by sustained lower reeds, reed notes in a musical piece, most common in blues music.
verb (padd, ing)
- (transitive) To stuff.
- (transitive) To furnish with a pad or padding.
- (transitive) To fill or lengthen (a story, one's importance, etc.).
- (transitive) To imbue uniformly with a mordant.
- to pad cloth
- (context, transitive, cricket) to deliberately play the ball with the leg pad instead of the bat.
| | | 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.
| | permeability |
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noun
- the property of being permeable
- the rate of flow of a fluid through a porous material
- (geology) a measure of the ability of a rock to transmit water
- (physics) a quantitative measure of the degree of magnetization of a material in the presence of an applied magnetic field (in terms of, for instance, Newtons per square Amperes in SI units).
(wikipedia, permeability (geology))
| | permeance |
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noun
- a measure of the degree to which a material allows a fluid to permeate it
- (physics) the reciprocal of reluctance in a magnetic circuit; the analogue of conductance in an electrical circuit
| | permittivity |
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noun (permittivities)
- (physics) A property of a dielectric medium that determines the forces that electric charges placed in the medium exert on each other.
| | Phantom |
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proper noun
- Nickname of the F-4B jet fighter flown by Marines in Vietnam
- The comic w:The Phantom, The Phantom, and the character in it by the same name
| | picofarad |
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noun
- One million millionth ( 10-12 ) of a farad, abbreviated as pF.
| | piezoelectricity |
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noun - (physics) The ability of certain crystals to generate a voltage in response to applied mechanical stress.
| | pile |
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noun
- A hair; hence, the fiber of wool, cotton, and the like; also, the nap when thick or heavy, as of carpeting and velvet.
- Velvet soft, or plush with shaggy pile. —Cowper
- A covering of hair or fur.
- A large stake, or piece of timber, steel section pointed and driven into the earth or drilled and cast reinforced concrete, as at the bottom of a river, or in a harbor where the ground is soft, for the support of a building, a pier, or other superstructure, or to form a cofferdam, etc.
- The head of an arrow or spear.
- (heraldry) One of the ordinaries or subordinaries having the form of a wedge, usually placed palewise, with the broadest end uppermost.
- A mass of things heaped together; a heap; as, a pile of stones; a pile of wood.
- A mass formed in layers; as, a pile of shot.
- A funeral pile; a pyre.
- A large building, or mass of buildings.
- A bundle of pieces of wrought iron to be worked over into bars or other shapes by rolling or hammering at a welding heat; a fagot.
- A vertical series of alternate disks of two dissimilar metals, as copper and zinc, laid up with disks of cloth or paper moistened with acid water between them, for producing a current of electricity; — commonly called Volta"s pile, voltaic pile, or galvanic pile.
- The reverse (or tails) of a coin. (Obs)
- A hemorrhoid (usually it is in plural)
| | plug |
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noun
- (context, electricity) A pronged connector, connecting device which fits into a mating socket.
- I pushed the back into the electrical socket and the lamp began to glow again.
- Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple.
- Pull the out of the tub so it can drain.
- A flat oblong cake of pressed tobacco.
- He preferred a of tobacco to loose chaw.
- (context, US, slang) A high, tapering silk hat.
- (context, US, slang) A worthless horse.
- That sorry old is ready for the glue factory!
- (context, construction) A block of wood let into a wall to afford a hold for nails.
- A mention of a product (usually a book, film or play) in an interview, or an interview which features one or more of these.
- During the interview, the author put in a for his latest novel.
- (Geology) A body of once molten rock that hardened in a volcanic vent. Usually round or oval in shape.
- Pressure built beneath the in the caldera, eventually resulting in a catastrophic explosion of pyroclastic shrapnel and ash.
- (context, fishing) A type of lure consisting of a rigid, buoyant or semi-buoyant body and one or more hooks.
- The fisherman cast the into a likely pool, hoping to catch a whopper.
verb (plug, g, ed)
- (transitive) To stop with a plug; to make tight by stopping a hole.
- He attempted to the leaks with some caulk.
- (transitive) To mention a particular product or service.
- The main guest on the show just kept plugging his latest movie: it got so tiresome.
- (intransitive) (informal) To persist or continue with something.
- Keep plugging at the problem until you find a solution.
- (transitive) To shoot a bullet into something with a gun.
- 1884, s:Author:H. Rider Haggard, H. Rider Haggard, s:The Witch's Head/Book II/Chapter II, The Witch's Head
- :I am awfully glad that you kept your nerve and plugged him; it would have been better if you could have nailed him through the right shoulder, which would not have killed him...
| | plug-in |
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noun (wikipedia, plugin)
- (computing) A computer program module or device that interacts with another to add a specific function, or to support a specific file format or device; a plugin.
adjective
- designed to be plugged into an electrical power outlet or circuit
| | 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.
| | polar |
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adjective
- of, relating to, measured from, or referred to a geographic pole (the North Pole or South Pole)
- of an orbit that passes over, or near, one of these poles
- (chemistry) having a dipole; ionic
- (mathematics) of a coordinate system, specifying the location of a point in a plane by using a radius and an angle
| | polarize |
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verb (polariz, ing)
- (transitive, US) To cause to have a polarization.
- (transitive, US) To cause a group to be divided into extremes.
| | polarized |
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verb
- (past of, polarize)
- (alternative spelling of, polarised)
adjective
- Describing something that possesses a distinctive polarization.
- Describing a group or situation characterized by being at two (or more) extremes.
- (alternative spelling of, polarised)
| | positive |
|
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.
| | potential difference |
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noun
- the difference in potential energy between two points in an electric field; the difference in charge between two points in an electrical circuit; voltage
| | potentiometer |
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noun
- (electronics) a user-adjustable variable resistor that functions as a voltage divider.
- (physics) an instrument that measures a voltage by opposing it with a precise fraction of a known voltage, and without drawing current from the unknown source.
| | power |
|
noun
- Physical force or strength.
- Control and influence over another entity and its actions.
- He exerted his upon his subordinates to obtain illicit, personal satisfaction.
- The party has won thanks to the influence of its charismatic leader.
- (physics) A measure of the rate of doing work or transferring energy.
- (physics) A rate to magnify an optical image by a lens or mirror.
- (Biblical tradition) in Christian angelology, the fourth level of angels, ranked above archangels and below principality, principalities
- (mathematics) A product of equal factors. Notation and usage: xn, read as "x to the power of " or "x to the th power", denotes x × x × ... × x, in which x appears times, where is called the exponent; the definition is extended to non-integer and complex exponents.
- Electricity supply.
- A nation having a strong military and/or economy.
- (settheory) Cardinality.
verb
- (transitive) To provide power for (a mechanical or electronic device).
| | powerhouse |
|
noun
- Any source of power, energy or strength.
- The company has been a in its industry for many years.
- She's a of ideas.
| | power line |
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noun - An electrical wire, cable or conduit, suspended in air by utility poles or transmission towers, or buried underground, used for the carrying of electricity either from a power source such as a generating station to a substation, or from a substation to a building such as a plant, commercial building or a home.
| | power station |
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noun
- an industrial complex where electricity is produced.
| | pressure |
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noun (countable and uncountable; plural: pressures)
- (physics) The amount of force that is applied over a given area divided by the size of this area.
- Units
- SI: pascal (Pa) (1 pascal equals 1 newton per square metre)
- Others: bar (1 bar equals 100000 pascals), barye (Ba) (1 barye equals 0.1 pascal), pounds per square inch (psi, lbf/in2, lb/in2), torr, mmHg, atmosphere (atm)
- mental strain caused by one's own or others' expectations on one's own performance
- She has been under lately because her boss expects her to get the job done two weeks early.
- Synonyms - under the pump, under the gun
| | primary |
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noun (primar, ies)
- A preliminary election to select a political candidate.
- The first year of grade school.
- A base or fundamental component; something that is irreducible.
- The most massive component of a gravitationally bound system.
verb (primaries, primarying, primaried)
- To take part in a primary election
adjective
- The first in a group or series.
- Children attend school, teenagers attend secondary school.
- That which is placed ahead of others.
- Preferred stock has claim on dividends, ahead of common stock.
| | pulse |
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noun
- Any annual legume yielding from 1 to 12 grains or seeds of variable size, shape and colour within a pod, and used as food for humans or animals.
- (physiology) A normally regular beat felt when arteries are depressed, caused by the pumping action of the heart.
- A beat, throb.
- (music) A periodically recurring short stimulus, perceived as points in time. (DeLone? et. al. (Eds.), 1975, chap. 3) Often the stimuli are defined as identical (Cooper & Meyer, 1960). (rfc, music definition needs rewritten because the current one is copyrighted)
| | push-button |
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noun
- an electrical switch activated by pressing a button
adjective
- that can be initiated or activated at the push of a button
- push-button warfare
| | pyroelectric |
|
noun
- a pyroelectric substance
adjective
- of, relating to, or exhibiting pyroelectricity
| | pyroelectricity |
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noun - (physics) the generation of electric charge as a result of a change in temperature
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