(law) A clause (of a judgment, order, resolution, etc.) which requires anything to be done or not to be done.

plural of operating table

A table on which a patient lies during a surgical operation.

(computing) A person who oversees the day-to-day operation of a computer system

(mathematics) A branch of functional analysis, being the study of linear operators on function spaces.

plural of operative word

plural of co-operative

Synonym of wireless operator or radio operator (a person who operates a wireless set / radio communications device)

plural of differential operator

(mathematics, mathematical analysis) An operator defined as a function of the differentiation operator (the operator which maps functions to their derivatives).