Residual



GRE Barron TOEFL

解释

GRE 红宝书

• adj. 残余的, 剩余的
• ［记］ re ( 重新) +sid ( 坐) +ual -> 坐下来的 ( 东西) -> 残余的, 剩余的.

Webster Collegiate

I. noun

• Etymology: Latin residuum residue
• Date: 1557
• 1. remainder, residuum: as
  • a. the difference between results obtained by observation and by computation from a formula or between the mean of several observations and any one of them
  • b. a residual product or substance
  • c. an internal aftereffect of experience or activity that influences later behavior; especially a disability remaining from a disease or operation
• 2. a payment (as to an actor or writer) for each rerun after an initial showing (as of a TV show)

II. adjective

• Date: 1570
• 1. of, relating to, or constituting a residue
• 2. leaving a residue that remains effective for some time <a residual pesticide>
• ? residually adverb

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