segmentation

[seg-muh n-tey-shuh n]
See more synonyms for segmentation on Thesaurus.com
noun
  1. division into segments.
  2. Biology.
    1. the subdivision of an organism or of an organ into more or less equivalent parts.
    2. cell division.

Origin of segmentation

First recorded in 1850–55; segment + -ation
Related formsnon·seg·men·ta·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


Examples from the Web for segmentation

Historical Examples of segmentation

  • The segmentation of the nucleus precedes and then continues with the segmentation of the yolk.

  • In addition, other indications of a segmentation in this head-region have been found.

    The Origin of Vertebrates

    Walter Holbrook Gaskell

  • Rohon entitles his discovery 'the segmentation of the primordial cranium.'

    The Origin of Vertebrates

    Walter Holbrook Gaskell

  • Moreover, this rod was unsegmented, for the notochord is devoid of segmentation.

    The Origin of Vertebrates

    Walter Holbrook Gaskell

  • It lies ventral to the nerve cord, and shows no trace of segmentation.

    The Vertebrate Skeleton

    Sidney H. Reynolds


British Dictionary definitions for segmentation

segmentation

noun
  1. the act or an instance of dividing into segments
  2. embryol another name for cleavage (def. 4)
  3. zoology another name for metamerism (def. 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for segmentation
n.

1650s, "a cutting in small pieces;" 1851 of cells, from segment (v.) + -ation.

Online Etymology Dictionary, © 2010 Douglas Harper

segmentation in Medicine

segmentation

[sĕg′mən-tāshən]
n.
  1. cleavage
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.