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apices

[ey-puh-seez, ap-uh-] /ˈeɪ pəˌsiz, ˈæp ə-/
noun
1.
a plural of apex.

apex

[ey-peks] /ˈeɪ pɛks/
noun, plural apexes, apices
[ey-puh-seez, ap-uh-] /ˈeɪ pəˌsiz, ˈæp ə-/ (Show IPA)
1.
the tip, point, or vertex; summit.
2.
climax; peak; acme:
His election to the presidency was the apex of his career.
3.
Astronomy, solar apex.
Origin
1595-1605
1595-1605; < Latin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for apices

apices

/ˈæpɪˌsiːz; ˈeɪ-/
noun
1.
a plural of apex

apex

/ˈeɪpɛks/
noun (pl) apexes, apices (ˈæpɪˌsiːz; ˈeɪ-)
1.
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. 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
C17: from Latin: point

APEX

/ˈeɪpɛks/
noun acronym
1.
Advance Purchase Excursion: a reduced airline or long-distance rail fare that must be paid a specified number of days in advance
2.
(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
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Word Origin and History for apices

apex

n.

c.1600, from Latin apex "summit, peak, tip, top, extreme end;" probably related to apere "to fasten, fix," hence "the tip of anything" (one of the meanings in Latin was "small rod at the top of the flamen's cap"), from PIE *ap- "to take, reach." Proper plural is apices.

Online Etymology Dictionary, © 2010 Douglas Harper
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apices in Medicine

apex a·pex (ā'pěks)
n. pl. a·pex·es or a·pi·ces (ā'pĭ-sēz', āp'ĭ-)
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.
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apices in Science
apex
  (ā'pěks)   
The highest point, especially the vertex of a triangle, cone, or pyramid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Related Abbreviations for apices

APEX

Arctic Polynya Experiment
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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