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Definitions

operation

[op-uh-rey-shuhn] / ˌɒp əˈreɪ ʃən /


NOUN
surgical procedure
Synonyms
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

However, during engine operation, moving parts such as pistons require constant lubrication, making it unavoidable that small amounts of engine oil enter the combustion chamber.

From Science Daily • May 13, 2026

"Even though we're doing what we're doing, which is ridiculous," he said of the military operation.

From Barron's • May 13, 2026

The Lady Victoria Colliery at Newtongrange, which closed in the 1980s after almost 90 years of operation, has since been preserved as Scotland's national mining museum.

From BBC • May 12, 2026

The big e-commerce platform cited uncertainty regarding GameStop’s offer, including financing and operational risks of a combined operation.

From The Wall Street Journal • May 12, 2026

Usually there’s so much going on in the cafeteria that the adults haven’t noticed Sneaky’s operation.

From "Isaiah Dunn Is My Hero" by Kelly J. Baptist




Vocabulary lists containing operation