Extrapolate



GRE

解释

GRE 红宝书

• v.预测, 推测
• ［英］ v.预测, 推测 ( to speculate)
• ［记］ extra ( 外面) +pol ( 放) +ate -> 放出想法 -> 推测
• ［同］ 同根词: interpolate ( 插入, 窜改)
• ［例］ to extrapolate the population growth from census figures

Webster Collegiate

verb (-lated; -lating)

• Etymology: Latin extra outside + English -polate (as in interpolate) — more at extra-
• Date: 1874
• transitive verb
  • 1. to infer (values of a variable in an unobserved interval) from values within an already observed interval
  • 2.
    • a. to project, extend, or expand (known data or experience) into an area not known or experienced so as to arrive at a usually conjectural knowledge of the unknown area <extrapolates present trends to construct an image of the future>
    • b. to predict by projecting past experience or known data <extrapolate public sentiment on one issue from known public reaction on others>
• intransitive verb
  • to perform the act or process of extrapolating
• ? extrapolation noun
• ? extrapolative adjective
• ? extrapolator noun

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