| operator | (informal) a shrewd or unscrupulous person who knows how to circumvent difficulties |
|---|---|
| operator | an agent that operates some apparatus or machine |
| operator | someone who owns or operates a business |
| operator | a speculator who trades aggressively on stock or commodity markets |
| operator | (mathematics) a symbol that represents a function from functions to functions |
| operator | a gene that activates the production of messenger RNA by adjacent structural genes |