SEGMENT • DICCIONARIO INGLES.COM • Definition of Segment

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/sˈɛgmənt/ /sˌɛgmˈɛnt/ Listen

noun

Segment n.

1.

One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a segment of an orange; a segment of a compound or divided leaf.

2.

(Geom.) A part cut off from a figure by a line or plane; especially, that part of a circle contained between a chord and an arc of that circle, or so much of the circle as is cut off by the chord; as, the segment acb in the Illustration.

3.

(Mach.)

(a)

A piece in the form of the sector of a circle, or part of a ring; as, the segment of a sectional fly wheel or flywheel rim.

(b)

A segment gear.

4.

(Biol.)

(a)

One of the cells or division formed by segmentation, as in egg cleavage or in fissiparous cell formation.

(b)

One of the divisions, rings, or joints into which many animal bodies are divided; a somite; a metamere; a somatome.

Segment gear, a piece for receiving or communicating reciprocating motion from or to a cogwheel, consisting of a sector of a circular gear, or ring, having cogs on the periphery, or face.

Segment of a line, the part of a line contained between two points on it.

Segment of a sphere, the part of a sphere cut off by a plane, or included between two parallel planes.

Ventral segment. (Acoustics) See Loor, n., 5.

verb

Segment v. i. (Biol.) To divide or separate into parts in growth; to undergo segmentation, or cleavage, as in the segmentation of the ovum.

See images of 'Segment'

Etymology of 'Segment'

Collaborative International Dictionary of English 0.48

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"Segment" Quotes from Famous Books

... operations, to allow for the curvature of the earth. Newton's calculation was precisely similar. His plane glass was a tangent to his curved one. From its refractive index and focal distance he determined the diameter of the sphere of which his curved glass formed a segment, he measured the distances of his rings from the place of contact, and he calculated the depth between the tangent plane and the curved surface, exactly as the engineer would calculate the distance between ...

— Six Lectures on Light - Delivered In The United States In 1872-1873 • John Tyndall

... monstrous clubs and spears. Some were thickly set with glittering teeth resembling ivory saws; others were tufted with knots of human hair; and one was sickle-shaped, with a vast handle sweeping round like the segment made in the new-mown grass by a long-armed mower. You shuddered as you gazed, and wondered what monstrous cannibal and savage could ever have gone a death-harvesting with such a hacking, horrifying implement. Mixed with these were rusty ...

— Moby Dick; or The Whale • Herman Melville

... city stood wholly in the sunlight a light haze formed on the rim of the circling horizon. He now moved the glasses slowly over a segment there and sought diligently for something. From so high a point and with such strong aid one could see many miles. He was sure that he would find what he sought and yet did not wish to see. Presently he picked out intermittent flashes which he believed were made by sunlight falling on steel. ...

— The Forest of Swords - A Story of Paris and the Marne • Joseph A. Altsheler

... humanity, the metaphor made perfect by tiers of seats placed upon the stage, rose from orchestra to dome. A gigantic cup of a Colosseum lined in stacks and stacks of faces. From the door of his dressing-room, leaning out, Leon Kantor could see a great segment of it, buzzing down into adjustment, orchestra twitting and tuning ...

— Humoresque - A Laugh On Life With A Tear Behind It • Fannie Hurst

... about fifteen inches in average length, although I have taken them from Newfoundland pups fully thirty inches long. It is a semi-transparent entozoon; each segment is long compared to its breadth, and narrowed at both ends. Each joint has, when detached, ...

— Dogs and All About Them • Robert Leighton

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