Definition of segment in English:

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Pronunciation: /ˈseɡmənt/
1Each of the parts into which something is or may be divided.
Example sentences
  • Its genome is made up of 100 million bases divided into six segments, or chromosomes.
  • In many of the others, the spaces are divided into segments, more or less corresponding to the different generations.
  • Segmentation means dividing memory into several segments and accessing memory by both segment pointer and offset.
piece, bit, section, part, chunk, portion, division, slice;
fragment, wedge, lump
part, section, sector, division, portion, constituent, element, unit, compartment;
branch, wing
1.1A portion of time allocated to a particular broadcast item on radio or television.
Example sentences
  • The press no longer thinks yellow ribbons and support for soldiers is worthy of a few paragraphs or a segment on the ten o'clock news.
  • From the top of the hour news items on Today and 30-second segments on CNN, to the rotating videos, images of the deceased permeate.
  • There are two things that fill a newspaper or the news segment on TV or radio: news and advertising.
1.2A separate broadcast item, typically one of a number that make up a particular program.
Example sentences
  • There are a lot of short interview segments on this disc.
  • Each title has an interview segment featuring either the star or director or both.
  • The disclaimer is displayed at the end of the segment featuring Amina and her mother.
1.3 Phonetics The smallest distinct part of a spoken utterance, in particular the vowels and consonants as opposed to stress and intonation.
Example sentences
  • This sound cue, which lasts for one-tenth to one-fifth of a second, marks the transition from a consonant sound to a speech segment beginning with a vowel.
  • There may certainly be independent grounds for categorizing segments as vowels or consonants, in terms of their inherent sonority and phonological dependence, for example.
  • A synthesized speech segment sounds exactly the way the term suggests: synthetic.
1.4 Zoology Each of the series of similar anatomical units of which the body and appendages of some animals are composed, such as the visible rings of an earthworm’s body.
Example sentences
  • Unlike the agnostids, polymerid trilobites typically have more than two or three thoracic segments, and the pygidium is usually smaller than the cephalon.
  • The ventral branchial arch segments of placoderms are so poorly known that nothing useful can be said.
  • They have a number of body segments (known as somites), which are sometimes fused to form rigid areas, or are free but linked to each other by flexible areas.
2 Geometry A part of a figure cut off by a line or plane intersecting it, in particular.
Example sentences
  • The main purpose of the work is to investigate the volume of segments of these three-dimensional figures.
  • For example, when we start with a hexagon, the final shape may be a segment, a triangle, or another hexagon.
2.1The part of a circle enclosed between an arc and a chord.
Example sentences
  • He found the length of an arc of the cycloid using an exhaustion proof based on dissections to reduce the problem to summing segments of chords of a circle which are in geometric progression.
  • This he affected by circumscribing a semicircle about an isosceles right-angled triangle and a segment of a circle similar to those cut off by the sides.
  • It is assumed that the unsupported outer border of the pouch deforms into a segment of a circle and that the material does not stretch much.
2.2The part of a line included between two points.
Example sentences
  • We can mark a point on the side that divides it into segments of length a and b.
  • Given the way that we have defined line segments, a great circle makes a good definition of a straight line.
  • Two similar problems were to trisect an angle and to produce a line segment whose square has the same area as that of a given circle.
2.3The part of a sphere cut off by any plane not passing through the center.
Example sentences
  • As in the treatment of Siegel, lipid monolayers in the intermediates are assumed to form surfaces that are segments of spheres or of spherical torroids.
  • Using a different approach, Archimedes found the surface area of a sphere, and the surface area of any segment of a sphere.


Pronunciation: /ˈseɡmənt/
[with object]
1Divide (something) into separate parts or sections: the unemployed are segmented into two groups
More example sentences
  • The course is segmented into six different sections.
  • The muscles of the body are segmented into blocks called myotomes.
  • This will also allow companies to segment product lines in the manufacturing process with secure and non-secure versions.
divide (up), subdivide, separate, split, cut up, carve up, slice up, break up;
segregate, divorce, partition, section
1.1 [no object] Divide into separate parts or sections: the market is beginning to segment into a number of well-defined categories
More example sentences
  • If the bulbs have segmented into cloves which can be separated, it is time to harvest.
  • As the educated class has grown, it has segmented.
  • Would they factionalise and segment, or unify?
1.2 [no object] Embryology (Of a cell) undergo cleavage; divide into many cells.



Pronunciation: /-ˌterē/
Example sentences
  • Unconstrained by male segmentary politics, their differential affinity blurred lines of emnity, producing the prospect of continuing reconciliation.
  • In Somali society, the segmentary lineage system allows subdivisions of six or more levels of identity, with migration decisions often taken at the sixth level.
  • Although political affiliation is fluid and shifts with changing circumstances, segmentary kinship guarantees every individual basic rights in a wider kinship network.


Late 16th century (as a term in geometry): from Latin segmentum, from secare 'to cut'. The verb dates from the mid 19th century.

  • insect from early 17th century:

    Insects have bodies that are divided into segments, and segments are the basic idea behind the word. Insect was formed in the 17th century from Latin animal insectum ‘segmented animal’, and originally referred to any small cold-blooded creature with a segmented body, for example, a spider, not just what we would call insects. The root word is secare ‘to cut’, which gave us dissect (late 16th century), section (Late Middle English), and segment (late 16th century).

Words that rhyme with segment

absent, accent, anent, ascent, assent, augment, bent, cement, cent, circumvent, consent, content, dent, event, extent, ferment, foment, forewent, forwent, frequent, gent, Ghent, Gwent, lament, leant, lent, meant, misrepresent, misspent, outwent, pent, percent, pigment, rent, scent, sent, spent, stent, Stoke-on-Trent, Tashkent, tent, torment, Trent, underspent, underwent, vent, went

For editors and proofreaders

Syllabification: seg·ment

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