operation

op-er-a-tion · noun

imported

Definitions

noun

  1. 1.

    An act or process of operating; functioning.

  2. 2.

    A surgical procedure.

  3. 3.

    A military action or campaign.

  4. 4.

    A business organization or activity.

  5. 5.

    (Mathematics) A process of calculation.

Forms

plural: operations

Related words

See also: operate, procedure, process, surgery
Synonyms: action, procedure, process, surgery

Etymology

From Old French operacion, from Latin operatio (genitive operationis) meaning "a working, operation," from operari meaning "to work, labor." The surgical sense developed in the 17th century.