Segment of a line

Segment of a line
Segment Seg"ment, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See {Saw} a cutting instrument.] 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. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Segment — Seg ment, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See {Saw} a cutting instrument.] 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… …   The Collaborative International Dictionary of English

  • Segment gear — Segment Seg ment, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See {Saw} a cutting instrument.] 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… …   The Collaborative International Dictionary of English

  • Segment of a sphere — Segment Seg ment, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See {Saw} a cutting instrument.] 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… …   The Collaborative International Dictionary of English

  • line segment — Geom. segment (def. 2b). * * * line segment, any finite section between two points on a line; segment …   Useful english dictionary

  • line integral — Math. the limit, as the norm of the partition of a given curve approaches zero, of the sum of the product of the length of the arcs in the partition times the value of the function at some point on each arc. [1870 75] * * * In mathematics, the… …   Universalium

  • Line C (Prague Metro) — Line C ( cz. Linka C) is a line on the Prague Metro. It crosses the right bank half of the city center in the north south directions and turns to the east at both ends of the line. It is the system s oldest and most used line, being opened in… …   Wikipedia

  • Segment — may mean: *an internal section of a citrus fruit *Market segment, the smaller subgroups comprising a marketComputing *Memory segment, the portion of computer memory which may be addressed by a single index register *Image segment created in… …   Wikipedia

  • Line A (Prague Metro) — Line A ( cz. Linka A) is a line of the Prague Metro, serving the Czech Republic capital. Chronologically the second line in the system, it was first opened in 1978 and has expanded mostly during the 1980s. Presently it has 13 stations and… …   Wikipedia

  • segment — [seg′mənt; ] for v. [, seg′ment] n. [L segmentum < secare, to cut: see SAW1] 1. any of the parts into which a body is separated or separable; division; section 2. Geom. a) a part of a figure, esp. of a circle or sphere, marked off or made… …   English World dictionary

  • Line-intercept sampling — (LIS) is a method of sampling elements in a region whereby an element is sampled if a chosen line segment, called a “transect”, intersects the element Kaiser, L, 1983. Unbiased Estimation in Line Intercept Sampling, Biometrics 39. pp 965 976. ] …   Wikipedia

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