|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|1.||a person who operates a machine, instrument, etc, esp, a person who makes connections on a telephone switchboard or at an exchange|
|2.||a person who owns or operates an industrial or commercial establishment|
|3.||a speculator, esp one who operates on currency or stock markets|
|4.||informal a person who manipulates affairs and other people|
|5.||maths any symbol, term, letter, etc, used to indicate or express a specific operation or process, such as Δ (the differential operator)|
operator op·er·a·tor (ŏp'ə-rā'tər)
An operator gene.
|operator (ŏp'ə-rā'tər) Pronunciation Key
in mathematics, any symbol that indicates an operation to be performed. Examples are x (which indicates the square root is to be taken) and ddx (which indicates differentiation with respect to x is to be performed). An operator may be regarded as a function, transformation, or map, in the sense that it associates or "maps" elements from one set to elements from another set. See also automorphism.
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