a·pex

(ā′pĕks)

n. pl. a·pex·es or a·pi·ces (ā′pĭ-sēz′, ăp′ĭ-)

a. The highest point of a structure, object, or geometric figure: the apex of a hill; the apex of a triangle.

b. The usually pointed end of an object; the tip: the apex of a leaf.

a. The highest level or degree that is attained, as in a hierarchy. See Synonyms at summit.

b. The period of greatest achievement: won several Olympic medals at the apex of her career.

[Latin.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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) 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

[C17: from Latin: point]

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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

a•pex

(ˈeɪ pɛks)

n., pl. a•pex•es, a•pi•ces (ˈeɪ pəˌsiz, ˈæp ə-)

1. the highest point; vertex; summit.

2. the tip or point: the apex of the tongue.

3. climax; peak: the apex of a career.

[1595–1605; < Latin]

a·pex

(ā′pĕks)

The highest point, especially the vertex of a triangle, cone, or pyramid.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	apex - the highest point (of something); "at the peak of the pyramid" acme, vertex, peak crown - the part of a hat (the vertex) that covers the crown of the head roof peak - the highest point of a roof extreme point, extremum, extreme - the point located farthest from the middle of something
	2.	apex - the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars apex of the sun's way, solar apex 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 antapex - the point opposite in direction from the solar apex; the point the solar system is moving away from

apex

noun

1. culmination, top, crown, height, climax, highest point, zenith, apogee, acme At the apex of the party was the central committee.
culmination bottom, depths, nadir, lowest point, rock bottom

2. highest point, point, top, tip, summit, peak, crest, pinnacle, vertex She led me up a gloomy corridor to the apex of the pyramid.
highest point base, bottom, depths, nadir, lowest point, perigee

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

apex

noun

1. The highest point:

cap, crest, crown, height, peak, roof, summit, top, vertex.

2. The highest point or state:

acme, apogee, climax, crest, crown, culmination, height, meridian, peak, pinnacle, summit, top, zenith.

Informal: payoff.

Medicine: fastigium.

3. A sharp or tapered end:

acicula, acumination, cusp, mucro, mucronation, point, tip.

Translations

ذروةرأس

špicevrchol

højdepunktspidstop

Spitze Apex Gipfel

ápice

huippu

apex bout cime pointe sommet

toppur

vertice apicale apice culmine

galotnevirsotne

APEX

[ˈeɪpeks] N ABBR

1. (Brit) =Association of Professional, Executive, Clerical and Computer Staff

2. (also apex) =Advance Purchase Excursion APEX fare → precio m APEX
APEX ticket → billete m APEX

apex

[ˈeɪpeks] N (apexes, apices (pl)) [ˈeɪpɪsiːz]

1. (Math) → vértice m

2. (fig) → cumbre f, cima f

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

Apex

APEX [ˈeɪpɛks] (=advance purchase excursion)

n → APEX m

modif [fare, return, ticket] → APEX inv

apex

[ˈeɪpɛks] n

[building] → sommet m

(fig) → point m culminant

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

apex

n pl <-es or apices> → Spitze f; (fig) → Höhepunkt m

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

APEX

[ˈeɪpɛks] n abbr

a. (Brit) =Association of Professional, Executive, Clerical and Computer Staff associazione dei professionisti, dirigenti, impiegati ed informatici

b. (Aer) =advance purchase excursion → APEX m inv

apex

[ˈeɪpɛks] n (Geom) → vertice m (fig) → vertice m, apice m

apex

(ˈeipeks) noun

the highest point or tip (of something). the apex of a triangle; the apex of a person's career.

a·pex

n. apex.

1. ápice, extremo superior o punta de un órgano;

2. extremidad puntiaguda de una estructura.

Mentioned in

References in classic literature

Once a leash of thin black whips, like the arms of an octopus, flashed across the sunset and was immediately with- drawn, and afterwards a thin rod rose up, joint by joint, bearing at its apex a circular disk that spun with a wobbling motion.

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This was his goal, the apex of the "V," and he panned many times to locate it.

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A military organization may be quite correctly compared to a cone, of which the base with the largest diameter consists of the rank and file; the next higher and smaller section of the cone consists of the next higher grades of the army, and so on to the apex, the point of which will represent the commander in chief.

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They pointed out to them that the firmament, with its infinitude of stars, may be considered as one vast dial-plate, upon which the moon travels, indicating the true time to all the inhabitants of the earth; that it is during this movement that the Queen of Night exhibits her different phases; that the moon is full when she is in opposition with the sun, that is when the three bodies are on the same straight line, the earth occupying the center; that she is new when she is in conjunction with the sun, that is, when she is between it and the earth; and, lastly that she is in her first or last quarter, when she makes with the sun and the earth an angle of which she herself occupies the apex.

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Backward, from the apex, his head slanted down to his neck and forward it slanted uncompromisingly to meet a low and remarkably wide forehead.

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Everybody knows that the great reversed triangle of land, with its base in the north and its apex in the south, which is called India, embraces fourteen hundred thousand square miles, upon which is spread unequally a population of one hundred and eighty millions of souls.

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A line was accordingly attached to it, and the other end being passed over the ridge-pole of the house, it was hoisted up to the apex of the roof, where it hung suspended directly over the mats where I usually reclined.

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The trunk was fashioned like a wedge with the apex to the earth.

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At the junction with Kearny Street, Market and Geary Streets intersect like the sides of a sharp-angled letter "V." They, in the auto, were coming down Market with the intention of negotiating the sharp apex and going up Geary.

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"Form the balance of the battleships into a great V with the apex pointing directly south-south-east.

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And that the Egyptians were a nation of mast-head standers, is an assertion based upon the general belief among archaeologists, that the first pyramids were founded for astronomical purposes: a theory singularly supported by the peculiar stair-like formation of all four sides of those edifices; whereby, with prodigious long upliftings of their legs, those old astronomers were wont to mount to the apex, and sing out for new stars; even as the look-outs of a modern ship sing out for a sail, or a whale just bearing in sight.

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Most people imagined them to be the very apex of the pyramid; but they themselves (at least those of Mrs.

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