a·pex (ā′pĕks)
n. pl. a·pex·es or a·pi·ces (ā′pĭ-sēz′, ăp′ĭ-)
1. The highest point; the vertex: the apex of a triangle; the apex of a hill.
2. The point of culmination. See Synonyms at summit.
3. The usually pointed end of an object; the tip: the apex of a leaf.
APEX (ˈeɪpɛks)
n. acronym for
1. Advance Purchase Excursion: a reduced airline or long-distance rail fare that must be paid a specified number of days in advance
2. (Industrial Relations & HR Terms) (in Britain) Association of Professional, Executive, Clerical, and Computer Staff.
apex (ˈeɪpɛks)
n, pl apexes or apices (ˈæpɪˌsiːz; ˈeɪ-)
1. (Mathematics) the highest point; vertex
2. the pointed end or tip of something
3. a pinnacle or high point, as of a career, etc
4. (Astronomy) Also called: solar apex astronomy the point on the celestial sphere, lying in the constellation Hercules, towards which the sun appears to move at a velocity of 20 kilometres per second relative to the nearest stars.
Synomyms:
Acme, vertex, peak, culmination, top, crown, height, climax, highest point, zenith, apogee, acme.
Usage:
At the apex of the party was the central committee.
Antonyms:
antapex - the point opposite in direction from the solar apex; the point the solar system is moving away from.
culmination, bottom, depths, nadir, lowest point, rock bottom
Related Words:
celestial point - a point in the heavens (on the celestial sphere)
celestial sphere, empyrean, firmament, heavens, vault of heaven, welkin, sphere - the apparent surface of the imaginary sphere on which celestial bodies appear to be projected.
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