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.
/ˈfʊlkrəm; ˈfʌl-/
noun (pl) -crums, -cra (-krə)
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
n.

1670s, “a prop, a support” (on which a lever turns), from Latin fulcrum “bedpost,” from fulcire “to prop up, support” (see balk).

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

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.
fulcrum [(fool-kruhm, ful-kruhm)]

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

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