apex
[ ey-peks ]
/ ˈeɪ pɛks /
noun, plural a·pex·es, a·pi·ces [ey-puh-seez, ap-uh-] /ˈeɪ pəˌsiz, ˈæp ə-/.
the tip, point, or vertex; summit.
climax; peak; acme: His election to the presidency was the apex of his career.
Astronomy. solar apex.
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Nearby words
aperture-priority, apery, aperçu, apeshit, apetalous, apex, apex beat, apex club, apex pneumonia, apgar, apgar score
Origin of apex
Borrowed into English from Latin around 1595–1605
Definition for apex (2 of 2)
APEX
[ ey-peks ]
/ ˈeɪ pɛks /
a type of international air fare offering reduced rates for extended stays that are booked in advance.
Origin of APEX
1970–75; A(dvance) P(urchase) Ex(cursion)
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for apex
British Dictionary definitions for apex (1 of 2)
apex
/ (ˈeɪpɛks) /
noun plural apexes or apices (ˈæpɪˌsiːz, ˈeɪ-)
the highest point; vertex
the pointed end or tip of something
a pinnacle or high point, as of a career, etc
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
Word Origin for apex
C17: from Latin: point
British Dictionary definitions for apex (2 of 2)
APEX
/ (ˈeɪpɛks) /
n acronym for
Advance Purchase Excursion: a reduced airline or long-distance rail fare that must be paid a specified number of days in advance
(in Britain) Association of Professional, Executive, Clerical, and Computer Staff
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for apex
apex
[ ā′pĕks ]
n. pl. a•pex•es
The pointed end of a conical or pyramidal structure.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for apex
apex
[ ā′pĕks ]
The highest point, especially the vertex of a triangle, cone, or pyramid.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.