Fulcrum



GRE Barron

解释

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 )

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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