| race |
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noun
- A large group of people distinguished from others on the basis of a common heritage.
- The Anglo-Saxon
- A large group of people distinguished from others on the basis of common, genetically linked, physical characteristics, such as skin color or hair type.
- Race was a significant issue during apartheid in South Africa.
- (context, controversial usage) One of the categories from the many subcategorizations of the human species. See Wikipedia's article on w:Race_(historical_definitions), historical definitions of race.
- The Native Americans colonized the New World in several waves from Asia, and thus they are part of the same Mongoloid .
- (biology) A population geographically separated from others of its species that develops significantly different characteristics; informal for subspecies.
- A breed or strain of domesticated animal.
- (figurative) A category or species of something that has emerged or evolved from an older one (with an implied parallel to animal breeding or evolutionary science).
- The advent of the Internet has brought about a new of entrepreneur.
- Recent developments in artificial intelligence has brought about a new of robots that can perform household chores without supervision.
verb (rac, ing)
- (intransitive) To take part in a race (in the sense of a contest).
- (intransitive) To move or drive at high speed.
- As soon as it was time to go home, he raced for the door.
- Her heart was racing as she peered into the dimly lit room.
- (intransitive) Of a motor, to run rapidly when not engaged to a transmission.
| | | raceway |
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noun (Plural: raceways)
- A place where races are held. A race track.
- An easily-accessible conduit or tray for organizing runs of data or power cabling.
| | radial |
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noun
- a radial tire / radial tyre
adjective
- arranged like rays that radiate from, or converge to a common centre
- moving along a radius
- (anatomy) of, or relating to the radius bone
| | radius |
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noun (radii, pl2=radiuses)
- (anatomy) The long bone in the forearm, on the side of the thumb.
- (geometry) A line segment between any point on the circumference of a circle and its center/centre.
- (geometry) The length of this line segment.
| | | ratchet |
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noun
- A pawl, click, or detent, for holding or propelling a ratchet wheel, or ratch, etc.
- A mechanism composed of a ratchet wheel, or ratch, and pawl.
- A wrench, implementing a ratchet mechanism, usually used with a set of sockets
verb
- (transitive) To cause to become incremented or decremented.
- (intransitive) To increment or decrement.
- It's time to ratchet up the intensity level here.
| | ratchet jack |
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noun '''ratchet jack
- a jack raised or lowered by means of a pawl and ratchet operated by a reversing lever
| | ratchet wheel |
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noun - a toothed wheel either held in position or turned by an engaging detent or pawl
- the retaining wheel over the mainspring arbor of a timepiece
| | rating |
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noun
- (nautical) A seaman in a warship
- (nautical) The status of a seaman, corresponding to rank in officers.
- In the Royal Navy the ratings, in order, are:- ordinary seaman, able seaman, leading seaman, petty officer and chief petty officer
- A number, letter, or other mark that refers to the ability of something.
- He has a high chess .
verb
- (present participle of, rate)
| | reciprocating engine |
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noun
- any engine, especially an internal combustion engine, in which a crankshaft is turned by pistons moving up and down within cylinders
| | regulation |
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noun
- A law or administrative rule, issued by an organization, used to guide or prescribe the conduct of members of that organization.
- Army regulations state a soldier AWOL over 30 days is a deserter.
adjective
- Of or pertaining to a regulation or rules.
- The rules of baseball.
| | relay |
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noun
- (electronics) An electrical actuator that allows a relatively small electrical voltage or current to control a larger voltage or current.
- (context, athletics) A track and field discipline where runners take turns in carrying a baton from start to finish. Most common events are 4x100 meter and 4x400 meter competitions.
verb - to verbally pass information from one person to another, to speak
| | responsiveness |
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noun
- The quality or state of being responsive.
- The ability of a machine to adjust to external influences.
- The of my old PC is nearly zero!
| | retainer |
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noun , retainers
- A dependent or follower of someone of rank
- A paid servant, especially one who has been employed for many years.
- Any thing or person that retains.
- A fee charged for services.
- This lawyer charges a for his work.
- (dentistry): A device that holds teeth in position after orthodontic treatment.
| | retool |
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verb - To adjust; optimize; to rebuild.
- He decided it was time to last year's marketing brochure.
| | reverse |
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noun
- The opposite of front.
- The opposite of forward.
- The gear setting of an automobile that makes it travel backwards.
- The tails side of a coin, or the side of a medal or badge that is opposite the obverse.
verb (revers, ing)
- (intransitive) To turn around, go in the opposite direction.
adjective
- Having the order of its constituents moved backwards in time or space.
- We ate the meal in order with the dessert first and ending with the starter.
- The mirror showed us a view of the scene.
- Causing movement in the opposite direction.
- He selected gear.
| | revolving |
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verb
- Present participle of to revolve.
| | rim |
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noun
- An edge around something, especially when circular.
verb , rimmed, rimming
- to lick the anus of a partner as part of the sexual act.
| | robot |
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noun
- A mechanical or virtual, artificial agent.
- An electro-mechanical system, which, by its appearance or movements, conveys a sense that it has intent or agency of its own.
- A machine which is anthropomorphic or zoomorphic in shape or scope of function.
- A person who does not seem to have any emotions.
- Being a , Jessica chose to wear a casual pair of shorts to the funeral and didn't even cry.
- (South Africa) traffic light, Traffic lights.
- (surveying) A theodolite which follows the movements of a prism and can be used by a one-man crew.
- A style of dance popular in disco whereby the dancer impersonates the movement of a robot
| | roll |
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noun
- The act of rolling, or state of being rolled.
- the roll of a ball
- the roll of waves
- That which rolls; a roller
- Specifically, a heavy cylinder used to break clods.
- Specifically, one of a set of revolving cylinders, or rollers, between which metal is pressed, formed, or smoothed, as in a rolling mill; as, to pass rails through the rolls.
- That which is rolled up; as, a roll of fat, of wool, paper, cloth, etc.
- Specifically, a document written on a piece of parchment, paper, or other materials which may be rolled up; a scroll.
- Hence, an official or public document; a register; a record; also, a catalogue; a list.
- Specifically, a quantity of cloth wound into a cylindrical form; as, a roll of carpeting; a roll of ribbon.
- Specifically, A cylindrical twist of tobacco.
- A kind of shortened raised biscuit or bread, often rolled or doubled upon itself.
- (nautical) The oscillating movement of a vessel from side to side, in sea way, as distinguished from the alternate rise and fall of bow and stern called pitching.
- A heavy, reverberatory sound.
- the roll of cannon
- the roll of thunder
- The uniform beating of a drum with strokes so rapid as scarcely to be distinguished by the ear.
- (obsolete) Part; office; duty; rí´le.
- A measure of parchments, containing five dozen.
- Quotations
- 1882: Parchement is sold by the dozen, and by the roll of five dozens. — James Edwin Thorold Rogers, A History of Agriculture and Prices in England, Volume 4, p. 594.
- the rotation angle about the longitudinal axis
- the roll of an aircraft
- The act of, or total resulting from, rolling one or more dice.
- Make your roll.
- Whoever gets the highest moves first.
- (nautical) The measure of extent to which a nautical vessel rotates on its fore-and-aft axis, causing its sides to go up and down. Compare with pitch.
verb
- (ergative) To cause to revolve by turning over and over; to move by turning on an axis; to impel forward by causing to turn over and over on a supporting surface.
- roll a wheel, a ball, or a barrel
- To wrap round on itself; to form into a spherical or cylindrical body by causing to turn over and over.
- roll a sheet of paper
- roll clay or putty into a ball''
- To bind or involve by winding, as in a bandage; to inwrap; often with up
- roll up a parcel
- (ergative) To drive or impel forward with an easy motion, as of rolling.
- a river rolls its waters to the ocean
- (ergative) To utter copiously, especially with sounding words; to utter with a deep sound; -- often with forth, or out.
- roll forth someone's praises
- roll out sentences
- To press or level with a roller; to spread or form with a roll, roller, or rollers.
- roll a field
- roll paste
- roll steel rails
- (ergative) To move, or cause to be moved, upon, or by means of, rollers or small wheels.
- To beat with rapid, continuous strokes, as a drum; to sound a roll upon.
- (geometry) To apply (one line or surface) to another without slipping; to bring all the parts of (one line or surface) into successive contact with another, in such a manner that at every instant the parts that have been in contact are equal.
- To turn over in one's mind; to revolve.
- (US slang) A manner of behaving or a way of doing certain things; a general disposition toward a situation.
- I was going to kick his ass, but he wasn't worth getting all worked up over, I don't like that.
- 2006, Times Herald-Record, Tuesday, November 21, by Chris McKenna?. At http://www.recordonline.com/apps/pbcs.dll/article?AID=/20061121/NEWS/611210321.
- :"This is how we in Spring Valley," one teen reportedly boasted.
- (transitive or intransitive) To throw dice.
- (transitive) To roll dice such that they form a given pattern or total.
- If you doubles, you get an extra turn.
- With two dice, you're more likely to seven than ten.
- To turn over and over.
- The child rolled on the floor.
- To tumble in gymnastics.
- (nautical) when a nautical vessel rotates on its fore-and-aft axis, causing its sides to go up and down. Compare with pitch.
| | roller |
|
noun (wikipedia, roller, roller (bird))
- anything that rolls
- any rotate, rotating cylindrical device that is part of a machine, especially one used to apply or reduce pressure
- (cricket) a heavy rolling device used to flatten the surface of the pitch
- a large, wide, curling wave that falls back on itself as it breaks on a coast
- a cylindrical tool for applying paint or ink
- an agricultural machine used for flattening land and breaking up lumps of earth
- a tumble, tumbling pigeon
- any of various aggressive birds, of the family Coraciidae, having bright blue wings and hooked beaks
- (also written Roller) a car made by Rolls-Royce
- the police (old blues slang)
- a padded surcingle that is used on horses for training and vaulting
| | rotary |
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noun (rotaries)
- a traffic circle
- an international club for community service
adjective
- having rotation
- A engine revolves the heads rather than having pistons go back and forth.
| | rotary engine |
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noun (wikipedia, rotary engine (disambiguation))
- any of several types of internal combustion engine in which the power output is directly rotational
| | rumble |
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noun (Plural: rumbles)
- A low pitched irregular noise.
- The from passing trucks made it hard to sleep at night.
- (slang) A street fight or brawl.
verb
- To make a low pitched noise.
- I better eat or my stomach's gonna .
- To discover deceitful or underhanded behaviour
- The police is gonna your hideout.
- To move while making a rumbling noise.
- The truck rumbled over the rough road.
- (slang)fight, brawl.
| | runner |
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noun
- somebody who runs
- (slang) A quick escape away from a scene
- He did a runner after robbing the drugstore
- a type of soft-soled shoe originally intended for runners, cf trainer; a sneaker
- a part of an apparatus that moves quickly
- After the cycle completes, the travels back quickly to be in place for the next cycle.
- a mechanical part intended for wheels to run on or to slide against another surface.
- a strip of fabric used to decorate a table
- The red makes the table so festive.
- a protective carpet cover for a high traffic area
- How about we put down a clear in the front hall.
- (scuffleball) a forward playing position
- (cricket) a player who runs for a batsman who is too injured to run; he is dressed exactly as the injured batsman, and carries a bat
- (baseball) A player who runs the bases
- (aussie-rules) A person (from one or the other team) who runs out onto the field during the game to take verbal instructions from the coach to the players. A runner mustn't interfere with play, and may have to wear an identifying shirt to make clear his or her purpose on the field.
- The was out at second.
- (slang) A part of a cigarette that is burning unevenly.
- (botany) a long stolon sent out by a plant (such as strawberry), in order to root new plantlets.
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