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relative position of the fulcrum in three basic types of levers, with arrows indicating the direction of the effort and the downward force of the load
n. pl. ful·crums or ful·cra (-krə)
1. The point or support on which a lever pivots.
2. Zoology An anatomical structure that acts as a hinge or a point of support.
3. An agent through which vital powers are exercised.
[Latin, bedpost, from fulcīre, to support.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -crums or -cra (-krə)
1. (Mechanical Engineering) the pivot about which a lever turns
2. something that supports or sustains; prop
3. (Zoology) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ful•crum(ˈfʊl krəm, ˈfʌl-)
n., pl. -crums, -cra (-krə).
1. the support, or point of rest, on which a lever turns in moving a body.
2. any prop or support.
3. any of various structures in an animal serving as a hinge or support.
[1665–75; < Latin: back-support of a couch]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
This diagram shows the relative position of the fulcrum in the three basic types of levers, with arrows indicating the direction of the effort and the downward force of the load.
top: The effort and load are on opposite sides of the fulcrum, as in a crowbar.
middle: The load is between the fulcrum and effort, as in a wheelbarrow.
bottom: The effort is between the fulcrum and load, as in a person's forearm, where the fulcrum is the elbow and the load is something held in the hand.
The point or support on which a lever turns.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||fulcrum - the pivot about which a lever turns|
lever - a rigid bar pivoted about a fulcrum
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
noun pivot, centre, heart, hinge, hub, focal point, kingpin The decision is the fulcrum of the Budget. axis, swivel, pivot, axle, spindle The metal bar served as a fulcrum.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
fulcrum[ˈfʌlkrəm] N (fulcrums or fulcra (pl)) [ˈfʌlkrə] → fulcro m (fig) → piedra f angular, punto m de apoyo
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
fulcrum[ˈfʊlkrəm] n → fulcro
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995