say it: AH-pur-ay-tur
operator is a noun meaning "(mathematics) a symbol or function representing a mathematical operation". It carries 5 recorded senses.
(mathematics) a symbol or function representing a mathematical operation
mathematics
an agent that operates some apparatus or machine
“the operator of the switchboard”
someone who owns or operates a business
“who is the operator of this franchise?”
a shrewd or unscrupulous person who knows how to circumvent difficulties
colloquialism
a speculator who trades aggressively on stock or commodity markets
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for operator come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.