apex

Pronunciation

• IPA ^(key): /ˈeɪ.pɛks/

• Audio (UK)

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Noun

Singular apex

Plural apexes or apices

1. The apex of something is located at its highest or greatest point.

   The apex of the building

2. (figurative) The moment of greatest success, expansion, etc.

   The apex of civilization

3. (geometry) Apex is the topmost vertex of a cone or pyramid