(dated) A person who operates a radio transmitter on a ship or in an outpost, military unit, etc., in order to communicate over long distances.

(physics) Synonym of Hamiltonian

plural of Sobel operator

A discrete differentiation operator that computes an approximation of the gradient of the image intensity function, used in image processing and computer vision, particular for detecting edges.

(mathematical analysis) Any of a particular class of second-order linear differential operators.

plural of elliptic operator

Alternative spelling of cooperator

plural of co-operator

plural of Elvis operator

(programming, informal) A binary operator that returns its first operand if that operand evaluates to true, and otherwise evaluates and returns its second operand.