Meaning of OPERATOR in English

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; opera ( ri ) to work, effect (see OPERATE) + L -tor -TOR ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .