the support, or point of rest, on which a lever turns in moving a body.
any prop or support.
Zoology. any of various structures in an animal serving as a hinge or support.
to fit with a fulcrum; put a fulcrum on.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use fulcrum in a sentence
The simplest versions consist of a metal beam from which hang two pans at equal distances from the central support or fulcrum.
If you think about decarbonization and climate and the environment, technology is the fulcrum.Michael Dell Has Been a Tech CEO for 34 Years. He Has Some Advice For Younger Founders | John Simons | October 31, 2021 | Time
We found a highly rated budget shovel that features a new take on shovel design—offering a second lower handle and short arm to act as a fulcrum and offset the energy required to throw the snow off the shovel blade.
Even in areas of the Northeast traditionally known more for summer and winter activities, fall has become an unexpected fulcrum of seasonal tourism.
Less than 18 months after the 2012 election, the fulcrum of American politics rests once again in Central Florida.
It is, for these two sons, both born in 1964, the fulcrum for their great labors.Michael Hainey and Aleksandar Hemon’s Chicago Dreams | Chris Wallace | March 3, 2013 | THE DAILY BEAST
The lever of dissent has to be long, and the fulcrum—the immovable determination of the American president—has to be steady.Ronald Reagan’s Lessons for the Chen Guangcheng Case | Walter Reich | May 6, 2012 | THE DAILY BEAST
Give me a lever long enough and a fulcrum on which to place it, and I shall move the world.Ronald Reagan’s Lessons for the Chen Guangcheng Case | Walter Reich | May 6, 2012 | THE DAILY BEAST
The paper was, as Gleick writes, “a fulcrum around which the world began to turn.”
With this fulcrum Bayanne had been moved to negotiate a formal treaty containing all Napoleon's stipulations.The Life of Napoleon Bonaparte | William Milligan Sloane
That human individuality may be maintained, man is uplifted only over the fulcrum of his own will.The Arena | Various
Once allow them to get a fulcrum and they would move the world.The English Utilitarians, Volume II (of 3) | Leslie Stephen
The fulcrum must be placed above the centre of gravity of the beam.
The centre of gravity must be as near as possible to the fulcrum.
British Dictionary definitions for fulcrum
the pivot about which a lever turns
something that supports or sustains; prop
a spinelike scale occurring in rows along the anterior edge of the fins in primitive bony fishes such as the sturgeon
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
Scientific definitions for fulcrum
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for fulcrum
The point on which a lever is balanced when a force is exerted.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.