Fulcrum

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GRE Barron

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[编辑] 解释

[编辑] GRE 红宝书

  • n. 杠杆支点, 支柱;
  • [英] n. 杠杆支点, 支柱 ( point of support on which a lever turns in raising or moving something )

[编辑] Webster Collegiate

noun (plural fulcrums or fulcra)

  • Etymology: Late Latin, from Latin, bedpost, from fulcire to prop — more at balk
  • Date: 1668
  • 1.
    • a. prop; specifically the support about which a lever turns
    • b. one that supplies capability for action
  • 2. a part of an animal that serves as a hinge or support


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