Apex

Pronunciation

• UK IPA: /ˈeɪ.pÉ›ks/

Origin

From Latin apex ("point, tip, summit").

Full definition of apex

Noun

1. The highest point of something.the apex of the building
2. (figuratively) The moment of greatest success, expansion, etc.the apex of civilization
• 2002, Jeffrey Rowland, WIGU adventuresIt would be an intense disgust. The absolute apex of teen angst.
3. (geometry) The topmost vertex of a cone or pyramid (in their conventional orientation).
4. (chiefly anatomy) The pointed end of something.
1. The lowest part of the human heart.
2. The deepest part of a tooth's root.
5. (botany) The end of a leaf, petal or similar organ opposed to the end where it is attached to its support; the tip.
6. (astronomy) The point on the celestial sphere toward which the sun appears to move relative to nearby stars.
7. (physics) The lowest point on a pendant drop of a liquid.
8. (mining, US) The end or edge of a vein nearest the surface.

Synonyms

• (highest point) peak, top, summit
• (moment of greatest success, expansion, etc) acme, culmination, height, peak, pinnacle
• (pointed end) end, tip