operation

Pronunciation: /ˌɑ.pəˈɹeɪ.ʃən/

Reading level: medium

Estimated CEFR level: B1 — Intermediate

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun the state of being in effect or being operative
  2. noun a business especially one run on a large scale
  3. noun a planned activity involving many people performing various actions

Etymology

From Middle English operacioun, from Old French operacion, from Latin operātiō, from the verb operor (“to work”), from opus, operis (“work”). Equivalent to operate + -ion.

In classic literature

Semantic network

Broader (hypernyms)
action
Narrower (hyponyms)
running, commission, idle

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