APEX


Meaning of APEX in English

I. ˈāˌpeks noun

( plural apexes -ksə̇z ; or api·ces ˈāpəˌsēz also ˈap-)

Etymology: Latin, summit, small rod at top of flamen's cap; probably akin to Latin aptus fastened, attached — more at apt

1.

a. : the highest or uppermost point : summit , top , peak

the apex of the mountain

as

(1) : the vertex of an angle, a cone, or a pyramid

(2) : the point of the heavens toward which a celestial body is moving at a given time

solar apex

b. : the pointed end : tip

the apex of the tongue

2. : the highest or culminating point : climax , acme , culmination

the apex of his career

the apex of an era

3. : the end, edge, or crest of a vein of mineral nearest the surface

4. in palmistry : a triangle formed by capillary lines on the pads of the fingers and the mounts

5.

a. : the narrow somewhat conical upper part of a lung extending into the root

b. : the lower pointed end of the heart situated in man opposite the space between the cartilages of the fifth and sixth ribs on the left side

c. : the extremity of the root of a tooth

II. intransitive verb

( -ed/-ing/-es )

of a vein of mineral : to form an apex : present an upper edge

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.