fulcrum

[foo l-kruh m, fuhl-] /ˈfʊl krəm, ˈfʌl-/
noun, plural fulcrums, fulcra
[foo l-kruh, fuhl-] /ˈfʊl krə, ˈfʌl-/ (Show IPA)
1.
the support, or point of rest, on which a lever turns in moving a body.
2.
any prop or support.
3.
Zoology. any of various structures in an animal serving as a hinge or support.
verb (used with object)
4.
to fit with a fulcrum; put a fulcrum on.
Origin
1665–75; < Latin: back-support of a couch, apparently for fulctrum, equivalent to fulc(īre) to hold up, support + -trum noun suffix of instrument
Example Sentences for fulcrum
Grip the bottle's neck with your other hand to act as a fulcrum.
In such a world the central bank would no longer have the fulcrum it currently uses to change interest rates.
The individual merits the fulcrum of fantasy, only it's the branding of fantasy.
Rest its fulcrum on a board to protect other flagstones.
The clavicle acts especially as a fulcrum to enable the muscles to give lateral motion to the arm.
But it was a fulcrum around which the world began to turn.
The fulcrum, of course, is the observed arrow of time in our local universe.
But being a fulcrum doesn't mean that she's any way important to the characters, only to the writers.
They quantize nuclear dynamics by acting as fulcrum particles.
The bureaucrats are the fulcrum so the guys with the leverage can lift great weight without too much effort.
British Dictionary definitions for fulcrum
fulcrum (ˈfʊlkrəm, ˈfʌl-)
 
n , pl -crums, -cra
1.  the pivot about which a lever turns
2.  something that supports or sustains; prop
3.  a spinelike scale occurring in rows along the anterior edge of the fins in primitive bony fishes such as the sturgeon
 
[C17: from Latin: foot of a couch, bedpost, from fulcire to prop up]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for fulcrum
fulcrum
1670s, "a prop, a support," borrowing of L. fulcrum "bedpost," from fulcire "to prop up, support" (see balk).
Online Etymology Dictionary, © 2010 Douglas Harper
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fulcrum in Medicine

fulcrum ful·crum (ful'krəm, fŭl'-)
n. pl. ful·crums or ful·cra (-krə)

  1. The point or support on which a lever pivots.

  2. An anatomical structure that acts as a hinge or a point of support.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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fulcrum in Science
fulcrum
  (fl'krəm)   

The point or support on which a lever turns. The position of the fulcrum, relative to the positions of the load and effort, determines the type of lever.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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fulcrum in Culture
fulcrum [(fool-kruhm, ful-kruhm)]

The point on which a lever is balanced when a force is exerted.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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