operative field
— Noun
– English
～ the area that is open during surgery
operative
— Noun
– English
～ someone who can be employed as a detective to collect information
operative
— Noun
– English
～ a person secretly employed in espionage for a government
operative
— Adjective
– English
～ relating to or requiring or amenable to treatment by surgery especially as opposed to medicine; "a surgical appendix"; "a surgical procedure"; "operative dentistry"
operative
— Adjective
– English
～ (of e.g. a machine) performing or capable of performing; "in running (or working) order"; "a functional set of brakes"
operative
— Adjective
– English
～ effective; producing a desired effect; "the operative word"
operative
— Adjective
– English
～ being in force or having or exerting force; "operative regulations"; "the major tendencies operative in the American political system"
operatively
— Adverb
– English
～ in a manner to produce an effect
operator
— Noun
– English
～ (mathematics) a symbol or function representing a mathematical operation
operator
— Noun
– English
～ a shrewd or unscrupulous person who knows how to circumvent difficulties
operator
— Noun
– English
～ a speculator who trades aggressively on stock or commodity markets
operator
— Noun
– English
～ someone who owns or operates a business; "who is the operator of this franchise?"
operator gene
— Noun
– English
～ a gene that activates the production of messenger RNA by adjacent structural genes