| 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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