apex
/ˈeɪ.pɛks/ noun
Forms apices apexes
- noun The highest or the greatest part of something, especially forming a point. “the apex of the building”
- noun (geometry) The highest point in a plane or solid figure, relative to a base line or plane.
- noun The lowest part of the human heart.
- noun The deepest part of a tooth's root.
- noun (botany) The end of a leaf, petal or similar organ opposed to the end where it is attached to its support.
- noun (botany) The growing point of a shoot.
- noun (astronomy) The point on the celestial sphere toward which the Sun appears to move relative to nearby stars.
- noun (physics) The lowest point on a pendant drop of a liquid.
Synonyms
peak top summit vertex end tip acme culmination height pinnacle zenith apogee apotheosis ascendance capstone climax coronation crown extreme fastigium solar apex apex of the sun's way
Antonyms
Etymology
Borrowed from Latin apex (“point, tip, summit”).
Webster’s 1913
- noun The tip, top, point, or angular summit of anything; as, the apex of a mountain, spire, or cone; the apex, or tip, of a leaf.
- noun The end or edge of a vein nearest the surface. [U.S.] Apex of the earth's motion (Astron.), that point of the heavens toward which the earth is moving in its orbit.
Etymology [L.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “apex”, CC BY-SA 4.0. Details