VERTEXES

Noun

vertexes

plural of vertex

Source: Wiktionary


VERTEX

Ver"tex, n.; pl. Vertexes, L. Vertices. Etym: [L. vertex, -icis, a whirl, top of the head, top, summit, from vertere to turn. See Verse, and cf. Vortex.]

Definition: A turning point; the principal or highest point; top; summit; crown; apex. Specifically: --(a) (Anat.)

Definition: The top, or crown, of the head. (b) (Anat.) The zenith, or the point of the heavens directly overhead. (c) (Math.) The point in any figure opposite to, and farthest from, the base; the terminating point of some particular line or lines in a figure or a curve; the top, or the point opposite the base.

Note: The principal vertex of a conic section is, in the parabola, the vertex of the axis of the curve: in the ellipse, either extremity of either axis, but usually the left-hand vertex of the transverse axis; in the hyperbola, either vertex, but usually the right-hand vertex of the transverse axis. Vertex of a curve (Math.), the point in which the axis of the curve intersects it.

– Vertex of an angle (Math.), the point in which the sides of the angle meet.

– Vertex of a solid, or of a surface of revolution (Math.), the point in which the axis pierces the surface.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

22 November 2024

SHEET

(noun) (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind


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Coffee Trivia

According to WorldAtlas, Finland is the biggest coffee consumer in the entire world. The average Finn will consume 12 kg of coffee each year.

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