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单词 operator
释义 operator
 /op"euh ray'teuhr/,  n.  
  1. a person who operates a machine, apparatus, or the like: a telegraph operator.
  2. a person who operates a telephone switchboard, esp. for a telephone company.
  3. a person who manages a working or industrial establishment, enterprise, or system: the operators of a mine.
  4. a person who trades in securities, esp. speculatively or on a large scale.
  5. a person who performs a surgical operation; a surgeon.
  6.  Math.  
   a. a symbol for expressing a mathematical operation.
   b. a function, esp. one transforming a function, set, etc., into another: a differential operator.
  7.  Informal.  
   a. a person who accomplishes his or her purposes by devious means; faker; fraud.
   b. a person who is adroit at overcoming, avoiding, or evading difficulties, regulations, or restrictions.
   c. a person who is extremely successful with or smoothly persuasive to members of the opposite sex.
  8.  Genetics.   a segment of DNA that interacts with a regulatory molecule, preventing transcription of the adjacent region.
 [1590-1600; < LL, equiv. to opera(ri) to work, effect (see OPERATE) + L -tor -TOR]
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更新时间:2024/11/11 13:44:52