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Glossary of Machining Terms
beginning with letter R
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race Tweet Definition of race Like Definition of race on Facebook
noun
  1. A large group of people distinguished from others on the basis of a common heritage.
The Anglo-Saxon
  1. 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.
  1. (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 .
  1. (biology) A population geographically separated from others of its species that develops significantly different characteristics; informal for subspecies.
  2. A breed or strain of domesticated animal.
  3. (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)
  1. (intransitive) To take part in a race (in the sense of a contest).
  2. (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.
  1. (intransitive) Of a motor, to run rapidly when not engaged to a transmission.
raceway Tweet Definition of raceway Like Definition of raceway on Facebook
noun (Plural:raceways)
  1. A place where races are held. A race track.
  2. An easily-accessible conduit or tray for organizing runs of data or power cabling.
radial Tweet Definition of radial Like Definition of radial on Facebook
noun
  1. a radial tire / radial tyre
adjective
  1. arranged like rays that radiate from, or converge to a common centre
  2. moving along a radius
  1. (anatomy) of, or relating to the radius bone
radius Tweet Definition of radius Like Definition of radius on Facebook
noun (radii, pl2=radiuses)
  1. (anatomy) The long bone in the forearm, on the side of the thumb.
  2. (geometry) A line segment between any point on the circumference of a circle and its center/centre.
  3. (geometry) The length of this line segment.
ratchet Tweet Definition of ratchet Like Definition of ratchet on Facebook
noun
  1. A pawl, click, or detent, for holding or propelling a ratchet wheel, or ratch, etc.
  2. A mechanism composed of a ratchet wheel, or ratch, and pawl.
  3. A wrench, implementing a ratchet mechanism, usually used with a set of sockets
verb
  1. (transitive) To cause to become incremented or decremented.
  2. (intransitive) To increment or decrement.
It's time to ratchet up the intensity level here.
ratchet jack Tweet Definition of ratchet jack Like Definition of ratchet jack on Facebook
noun '''ratchet jack
  1. a jack raised or lowered by means of a pawl and ratchet operated by a reversing lever
ratchet wheel Tweet Definition of ratchet wheel Like Definition of ratchet wheel on Facebook
noun
  1. a toothed wheel either held in position or turned by an engaging detent or pawl
  2. the retaining wheel over the mainspring arbor of a timepiece
rating Tweet Definition of rating Like Definition of rating on Facebook
noun
  1. (nautical) A seaman in a warship
  2. (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
      1. A number, letter, or other mark that refers to the ability of something.
      He has a high chess .
verb
  1. (present participle of, rate)
reciprocating engine Tweet Definition of reciprocating engine Like Definition of reciprocating engine on Facebook
noun
  1. any engine, especially an internal combustion engine, in which a crankshaft is turned by pistons moving up and down within cylinders
regulation Tweet Definition of regulation Like Definition of regulation on Facebook
noun
  1. 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
  1. Of or pertaining to a regulation or rules.
The rules of baseball.
relay Tweet Definition of relay Like Definition of relay on Facebook
noun
  1. (electronics) An electrical actuator that allows a relatively small electrical voltage or current to control a larger voltage or current.
  2. (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
  1. to verbally pass information from one person to another, to speak
responsiveness Tweet Definition of responsiveness Like Definition of responsiveness on Facebook
noun
  1. The quality or state of being responsive.
  2. The ability of a machine to adjust to external influences.
The of my old PC is nearly zero!
retainer Tweet Definition of retainer Like Definition of retainer on Facebook
noun , retainers
  1. A dependent or follower of someone of rank
  2. A paid servant, especially one who has been employed for many years.
  3. Any thing or person that retains.
  4. A fee charged for services.
This lawyer charges a for his work.
  1. (dentistry): A device that holds teeth in position after orthodontic treatment.
retool Tweet Definition of retool Like Definition of retool on Facebook
verb
  1. To adjust; optimize; to rebuild.
    He decided it was time to last year's marketing brochure.
reverse Tweet Definition of reverse Like Definition of reverse on Facebook
noun
  1. The opposite of front.
  2. The opposite of forward.
  3. The gear setting of an automobile that makes it travel backwards.
  4. The tails side of a coin, or the side of a medal or badge that is opposite the obverse.
verb (revers, ing)
  1. (intransitive) To turn around, go in the opposite direction.
adjective
  1. 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.
  1. Causing movement in the opposite direction.
He selected gear.
revolving Tweet Definition of revolving Like Definition of revolving on Facebook
verb
  1. Present participle of to revolve.
rim Tweet Definition of rim Like Definition of rim on Facebook
noun
  1. An edge around something, especially when circular.
verb , rimmed, rimming
  1. to lick the anus of a partner as part of the sexual act.
robot Tweet Definition of robot Like Definition of robot on Facebook
noun
  1. A mechanical or virtual, artificial agent.
  2. An electro-mechanical system, which, by its appearance or movements, conveys a sense that it has intent or agency of its own.
  3. A machine which is anthropomorphic or zoomorphic in shape or scope of function.
  4. 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.
  1. (South Africa) traffic light, Traffic lights.
  2. (surveying) A theodolite which follows the movements of a prism and can be used by a one-man crew.
  3. A style of dance popular in disco whereby the dancer impersonates the movement of a robot
roll Tweet Definition of roll Like Definition of roll on Facebook
noun
  1. The act of rolling, or state of being rolled.
the roll of a ball
the roll of waves
  1. That which rolls; a roller
  2. Specifically, a heavy cylinder used to break clods.
  3. 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.
  4. That which is rolled up; as, a roll of fat, of wool, paper, cloth, etc.
  5. Specifically, a document written on a piece of parchment, paper, or other materials which may be rolled up; a scroll.
  6. Hence, an official or public document; a register; a record; also, a catalogue; a list.
  7. Specifically, a quantity of cloth wound into a cylindrical form; as, a roll of carpeting; a roll of ribbon.
  8. Specifically, A cylindrical twist of tobacco.
  9. A kind of shortened raised biscuit or bread, often rolled or doubled upon itself.
  10. (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.
  11. A heavy, reverberatory sound.
the roll of cannon
the roll of thunder
  1. The uniform beating of a drum with strokes so rapid as scarcely to be distinguished by the ear.
  2. (obsolete) Part; office; duty; rí´le.
  3. 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.
    1. the rotation angle about the longitudinal axis
the roll of an aircraft
  1. The act of, or total resulting from, rolling one or more dice.
Make your roll.
Whoever gets the highest moves first.
  1. (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
  1. (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
  1. 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''
  1. To bind or involve by winding, as in a bandage; to inwrap; often with up
roll up a parcel
  1. (ergative) To drive or impel forward with an easy motion, as of rolling.
a river rolls its waters to the ocean
  1. (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
  1. 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
  1. (ergative) To move, or cause to be moved, upon, or by means of, rollers or small wheels.
  2. To beat with rapid, continuous strokes, as a drum; to sound a roll upon.
  3. (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.
  4. To turn over in one's mind; to revolve.
  5. (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.
  1. (transitive or intransitive) To throw dice.
  2. (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.
  1. To turn over and over.
The child rolled on the floor.
  1. To tumble in gymnastics.
  2. (nautical) when a nautical vessel rotates on its fore-and-aft axis, causing its sides to go up and down. Compare with pitch.
roller Tweet Definition of roller Like Definition of roller on Facebook
noun (wikipedia, roller, roller (bird))
  1. anything that rolls
  2. any rotate, rotating cylindrical device that is part of a machine, especially one used to apply or reduce pressure
  3. (cricket) a heavy rolling device used to flatten the surface of the pitch
  4. a large, wide, curling wave that falls back on itself as it breaks on a coast
  5. a cylindrical tool for applying paint or ink
  6. an agricultural machine used for flattening land and breaking up lumps of earth
  7. a tumble, tumbling pigeon
  8. any of various aggressive birds, of the family Coraciidae, having bright blue wings and hooked beaks
  9. (also written Roller) a car made by Rolls-Royce
  10. the police (old blues slang)
  11. a padded surcingle that is used on horses for training and vaulting
rotary Tweet Definition of rotary Like Definition of rotary on Facebook
noun (rotaries)
  1. a traffic circle
  2. an international club for community service
adjective
  1. having rotation
A engine revolves the heads rather than having pistons go back and forth.
rotary engine Tweet Definition of rotary engine Like Definition of rotary engine on Facebook
noun (wikipedia, rotary engine (disambiguation))
  1. any of several types of internal combustion engine in which the power output is directly rotational
rumble Tweet Definition of rumble Like Definition of rumble on Facebook
noun (Plural:rumbles)
  1. A low pitched irregular noise.
The from passing trucks made it hard to sleep at night.
  1. (slang) A street fight or brawl.
verb
  1. To make a low pitched noise.
I better eat or my stomach's gonna .
  1. To discover deceitful or underhanded behaviour
The police is gonna your hideout.
  1. To move while making a rumbling noise.
The truck rumbled over the rough road.
  1. (slang)fight, brawl.
runner Tweet Definition of runner Like Definition of runner on Facebook
noun
  1. somebody who runs
  2. (slang) A quick escape away from a scene
He did a runner after robbing the drugstore
  1. a type of soft-soled shoe originally intended for runners, cf trainer; a sneaker
  2. a part of an apparatus that moves quickly
After the cycle completes, the travels back quickly to be in place for the next cycle.
  1. a mechanical part intended for wheels to run on or to slide against another surface.
  2. a strip of fabric used to decorate a table
The red makes the table so festive.
  1. a protective carpet cover for a high traffic area
How about we put down a clear in the front hall.
  1. (scuffleball) a forward playing position
  2. (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
  3. (baseball) A player who runs the bases
  4. (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.
  1. (slang) A part of a cigarette that is burning unevenly.
  2. (botany) a long stolon sent out by a plant (such as strawberry), in order to root new plantlets.

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