noun seg·ment \ˈseg-mənt\

: one of the parts into which something can be divided

geometry : a part of a circle formed by drawing a straight line between two points on the circle

: a part of a straight line between two points

Full Definition of SEGMENT

:  a portion cut off from a geometric figure by one or more points, lines, or planes: as
a :  the area of a circle bounded by a chord and an arc of that circle
b :  the part of a sphere cut off by a plane or included between two parallel planes
c :  the finite part of a line between two points in the line
a :  a separate piece of something :  bit, fragment <chop the stalks into short segments>
b :  one of the constituent parts into which a body, entity, or quantity is divided or marked off by or as if by natural boundaries <all segments of the population agree>
seg·men·tary \-mən-ˌter-ē\ adjective

Examples of SEGMENT

  1. The railroad track is divided into segments.
  2. <I think I lost one segment of this model kit.>

Origin of SEGMENT

Latin segmentum, from secare to cut — more at saw
First Known Use: 1570

Synonym Discussion of SEGMENT

part, portion, piece, member, division, section, segment, fragment mean something less than the whole. part is a general term appropriate when indefiniteness is required <they ran only part of the way>. portion implies an assigned or allotted part <cut the pie into six portions>. piece applies to a separate or detached part of a whole <a puzzle with 500 pieces>. member suggests one of the functional units composing a body <a structural member>. division applies to a large or diversified part <the manufacturing division of the company>. section applies to a relatively small or uniform part <the entertainment section of the newspaper>. segment applies to a part separated or marked out by or as if by natural lines of cleavage <the retired segment of the population>. fragment applies to a part produced by or as if by breaking off <only a fragment of the play still exists>.


transitive verb seg·ment \ˈseg-ˌment\

: to divide (something) into parts

Full Definition of SEGMENT

:  to separate into segments :  give off as segments

Examples of SEGMENT

  1. Market researchers have segmented the population into different age groups.

First Known Use of SEGMENT

SEGMENTS Defined for Kids


noun seg·ment \ˈseg-mənt\

Definition of SEGMENT for Kids

:  any of the parts into which a thing is divided or naturally separates
:  a part cut off from a figure (as a circle) by means of a line or plane
:  a part of a straight line included between two points


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