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apex

(ay-peks)

the tip or summit of an organ; for example the heart or lung. The apex of a tooth is the tip of the root. See also apical.

APEX

APEX   Quick reference

A Dictionary of Astronomy (3 ed.)

Reference type:
Subject Reference
Current Version:
2018

... Abbr. for Atacama Pathfinder Experiment ....

apex

apex   Quick reference

A Dictionary of Architecture and Landscape Architecture (3 ed.)

Reference type:
Subject Reference
Current Version:
2015
Subject:
Art & Architecture
Length:
31 words

... Top of a cone, gable , obelisk , pediment , or pyramid . The saddle- or apex-stone is the topmost stone at the apex of a gable or...

apex

apex   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007

... The highest point in the trajectory of a...

apex

apex   Quick reference

A Dictionary of Plant Sciences (4 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Life Sciences
Length:
11 words

... The distal part of a leaf, shoot, or...

apex

apex   Quick reference

A Dictionary of Construction, Surveying and Civil Engineering (2 ed.)

Reference type:
Subject Reference
Current Version:
2020

... The tip or highest point of a building or...

apex

apex   Quick reference

A Dictionary of Geology and Earth Sciences (5 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Earth Sciences and Geography
Length:
25 words
Illustration(s):
1

... The first-formed end of a shell, which is usually pointed. The term is most commonly applied to gastropod ( Gastropoda ) shells. ...

apex

apex n.   Quick reference

A Dictionary of Nursing (7 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health
Length:
32 words

...apex [ ay -peks] n. the tip or summit of an organ; for example the heart or lung. The apex of a tooth is the tip of the root. See also apical...

apex

apex   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
111 words

...apex n. ( pl. apices ) The tip of a tooth root . The anatomic apex is usually defined as the apical constriction in the root canal at the cemento-dentinal junction. Apex locators are instruments used to determine the apical constriction and determine the apical extent of root canal preparation and obturation in endodontic therapy by measuring electrical resistance; recent electronic apex locators (EALs) have multiple frequencies which are claimed to reduce the clinical inaccuracies caused by the presence of blood or irrigants in the root...

apex

apex n.   Quick reference

Concise Medical Dictionary (10 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Clinical Medicine
Length:
52 words

... n. the tip or summit of an organ; for example the heart or lung. The apex of a tooth is the tip of the root, where there is a small hole (the apical foramen ) through which vessels and nerves pass from the pulp to the periapical tissues. — apical ...

APEX

APEX   Quick reference

A Dictionary of Business and Management (6 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Social sciences, Business and Management
Length:
40 words

... Acronym for Advance-Purchase Excursion: a form of return airline ticket offered at a discount to the standard fare, provided that bookings both ways are made a specified number of days in advance, with no facilities for stopovers or...

APEX

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A Dictionary of Travel and Tourism

Reference type:
Subject Reference
Current Version:
2012
Subject:
Social sciences
Length:
44 words

... 1. Advance Purchase Excursion transport fare. 2. Accepted Practices Exchange. This operates in the MICE (Meetings, Incentives, Conferences, and Events) sector. It is managed by the Convention Industry Council ( CIC ), developing accepted practices and creating voluntary standards. http://wwwconventionindustry.org/glossary Website of Convention Industry...

apex

apex   Reference library

Herbert Jennings Rose and J. A. North

The Oxford Classical Dictionary (4 ed.)

Reference type:
Subject Reference
Current Version:
2012
Subject:
Classical studies, History
Length:
137 words

... , a special kind of cap worn by Roman flamines , Salii , and some other priests. The word is said originally to have meant not the whole cap, but the spike or twig at the top of it, tied on with wool. The lower part of the head-dress was called the galerus and that of the flamen Dialis was the albogalerus , the white galerus , made of the skins of white victims sacrificed to Jupiter . The galerus was a tight-fitting conical cap, visible in representations of flamines on reliefs. The apex achieved notoriety because flamines were obliged to...

apex

apex   Reference library

Garner’s Modern English Usage (4 ed.)

Reference type:
Subject Reference
Current Version:
2016

... forms the plurals apexes and apices . The latter has greatly predominated since the 17th century. See plurals (b) . Current ratio:...

apex beat

apex beat   Quick reference

Concise Medical Dictionary (10 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Clinical Medicine
Length:
33 words

... beat the impact of the heart against the chest wall during systole . It can be felt to the left of the breastbone, in the space between the fifth and sixth...

apex beat

apex beat n.   Quick reference

A Dictionary of Nursing (7 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health
Length:
33 words

...apex beat n. the impact of the heart against the chest wall during systole. It can be felt to the left of the breastbone, in the space between the fifth and sixth ribs....

solar apex

solar apex   Quick reference

A Dictionary of Astronomy (3 ed.)

Reference type:
Subject Reference
Current Version:
2018

...apex The direction towards which the Solar System is moving relative to the local standard of rest. Its position is approximately RA 18h, dec. +30°. As a result of this motion, stars seem to be converging towards a point in the opposite direction, the solar antapex ....

APEX

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A Dictionary of Abbreviations

Reference type:
Subject Reference
Current Version:
2011
Subject:
Encyclopedias, Language reference
Length:
4 words

... Artctic Polynya...

apex

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The Concise Oxford Dictionary of English Etymology

Reference type:
Subject Reference
Current Version:
2003
Subject:
Language reference, History of English
Length:
11 words

... ( pl. apices ). XVII. — L. apex , apic- , . Hence apical...

apex

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The Oxford Dictionary of Word Origins (2 ed.)

Reference type:
Subject Reference
Current Version:
2010
Subject:
Language reference, History of English
Length:
8 words

... [E17th] Apex is Latin for ‘peak,...

APEX

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A Dictionary of Abbreviations

Reference type:
Subject Reference
Current Version:
2011
Subject:
Encyclopedias, Language reference
Length:
5 words

... advance purchase excursion...

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