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Từ điển Oxford Learners Wordfinder Dictionary
operator



noun
1. (mathematics) a symbol or function representing a mathematical operation (Freq. 27)
Topics:
mathematics, math, maths
Hypernyms:
function, mathematical function, single-valued function, map, mapping
Hyponyms:
linear operator, identity, identity element, identity operator
2. an agent that operates some apparatus or machine (Freq. 9)
- the operator of the switchboard
Syn:
manipulator
Derivationally related forms:
operate
Hypernyms:
causal agent, cause, causal agency
Hyponyms:
company operator, driver, elevator operator, engineer, locomotive engineer,
railroad engineer, engine driver, hoister, jockey, motorman, radio operator,
radio operator, telegrapher, telegraphist, telegraph operator, telephone operator,
telephonist, switchboard operator
3. someone who owns or operates a business (Freq. 1)
- who is the operator of this franchise?
Derivationally related forms:
operate
Hypernyms:
businessman, man of affairs
Hyponyms:
supermarketer, supermarketeer
4. a shrewd or unscrupulous person who knows how to circumvent difficulties (Freq. 1)
Syn:
hustler, wheeler dealer
Derivationally related forms:
hustle (for: hustler)
Usage Domain:
colloquialism
Hypernyms:
opportunist, self-seeker
Hyponyms:
wire-puller
5. a speculator who trades aggressively on stock or commodity markets
Hypernyms:
speculator, plunger

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