apex noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of apex noun from the Oxford Advanced American Dictionary

apex

noun

NAmE//ˈeɪpɛks//

(pl. apexes) [usually singular]

1the top or highest part of something the apex of the roof/triangle

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2(figurative) At 37, she'd reached the apex of her career.

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