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thrust

[thruhst] /θrʌst/
verb (used with object), thrust, thrusting.
1.
to push forcibly; shove; put or drive with force:
He thrust his way through the crowd. She thrust a dagger into his back.
2.
to put boldly forth or impose acceptance of:
to thrust oneself into a conversation between others; to thrust a dollar into the waiter's hand.
3.
to extend; present:
He thrust his fist in front of my face.
4.
Archaic. to stab or pierce, as with a sword:
She thrust his back with a dagger.
verb (used without object), thrust, thrusting.
5.
to push against something.
6.
to push or force one's way, as against obstacles or through a crowd.
7.
to make a thrust, lunge, or stab at something.
noun
8.
an act or instance of thrusting; a forcible push or shove; lunge or stab.
9.
a lunge or stab, as with a sword.
10.
Mechanics. a linear reactive force exerted by a propeller, propulsive gases, etc., to propel a ship, aircraft, etc.
11.
Geology. a compressive strain in the crust of the earth that, in its most characteristic development, produces reverse or thrust faults.
12.
the main point, purpose, or essence:
The thrust of his speech was an urgent appeal for votes.
13.
Machinery. a pushing force or pressure exerted by a thing or a part against a contiguous one.
14.
Architecture. the downward and outward force exerted by an arch on each side.
15.
an organized military attack; assault; offensive.
Origin
1125-1175
1125-75; Middle English thrusten, thrysten (v.) < Old Norse thrȳsta to thrust, force, press
Related forms
counterthrust, noun
prethrust, noun, verb (used with object), prethrust, prethrusting.
unthrust, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for counterthrust

thrust

/θrʌst/
verb thrusts, thrusting, thrust
1.
(transitive) to push (someone or something) with force or sudden strength: she thrust him away, she thrust it into the fire
2.
(transitive) to force or impose upon (someone) or into (some condition or situation): they thrust extra responsibilities upon her, she was thrust into the limelight
3.
(transitive) foll by through. to pierce; stab
4.
(intransitive; usually foll by through or into) to force a passage or entrance
5.
(intransitive) to push forwards, upwards, or outwards
6.
(intransitive) foll by at. to make a stab or lunge at (a person or thing)
noun
7.
a forceful drive, push, stab, or lunge
8.
a force, esp one that produces motion
9.
  1. a propulsive force produced by the fluid pressure or the change of momentum of the fluid in a jet engine, rocket engine, etc
  2. a similar force produced by a propeller
10.
a pressure that is exerted continuously by one part of an object, structure, etc, against another, esp the axial force by or on a shaft
11.
(geology)
  1. the compressive force in the earth's crust that produces recumbent folds and thrust or reverse faults
  2. See thrust fault
12.
(civil engineering) a force exerted in a downwards and outwards direction, as by an arch or rafter, or the horizontal force exerted by retained earth
13.
force, impetus, or drive: a man with thrust and energy
14.
the essential or most forceful part: the thrust of the argument
Word Origin
C12: from Old Norse thrysta; related to Latin trūdere; see intrude
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for counterthrust

thrust

v.

late 12c., from Old Norse þrysta "to thrust, force," from Proto-Germanic *thrustijanan, perhaps from PIE *trud- "push, press" (see threat), but OED finds this derivation doubtful. The noun is recorded from 1510s; figurative sense of "principal theme, aim, point, purpose" is recorded from 1968.

Online Etymology Dictionary, © 2010 Douglas Harper
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counterthrust in Science
thrust
  (thrŭst)   
The force that propels an object in a given direction, especially when generated by the object itself, as by an engine or rocket.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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21
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