(programming) An operator taking three operands, specifically the operator ?: used in many programming languages to select one of two values depending on a third value.

(chiefly Britain) Of or pertaining to strip mining, in which material is removed from a surface that has been exposed

(slang, computing) A rogue system administrator who abuses users of the system.

(Canada) An illegal marijuana-growing operation, usually indoors.

plural of grow operation

A type of evening glove, meaning a glove that is especially long.

Alternative form of operations research

plural of open and shut case

(literally) Total outdoor sunshine, without clouds, haze, or other obstruction. / (figuratively) Openness, transparency, public awareness.

Alternative spelling of horse opera