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1. WordNet® 3.0 (2006)
segmentation
    n 1: (embryology) the repeated division of a fertilised ovum
         [syn: cleavage, segmentation]
    2: the act of dividing or partitioning; separation by the
       creation of a boundary that divides or keeps apart [syn:
       division, partition, partitioning, segmentation,
       sectionalization, sectionalisation]

2. The Collaborative International Dictionary of English v.0.48
Segmentation \Seg`men*ta"tion\, n.
   The act or process of dividing into segments; specifically
   (Biol.), a self-division into segments as a result of growth;
   cell cleavage; cell multiplication; endogenous cell
   formation.
   [1913 Webster]

   Segmentation cavity (Biol.), the cavity formed by the
      arrangement of the cells in segmentation or cleavage of
      the ovum; the cavity of the blastosphere. In the gastrula
      stage, the segmentation cavity in which the mesoblast is
      formed lies between the entoblast and ectoblast. See
      Illust. of Invagination.

   Segmentation nucleus (Biol.), the body formed by fusion of
      the male and female pronucleus in an impregnated ovum. See
      the Note under Pronucleus.

   Segmentation of the ovum, or Egg cleavage (Biol.), the
      process by which the embryos of all the higher plants and
      animals are derived from the germ cell. In the simplest
      case, that of small ova destitute of food yolk, the ovum
      or egg divides into two similar halves or segments
      (blastomeres), each of these again divides into two, and
      so on, thus giving rise to a mass of cells (mulberry mass,
      or morula), all equal and similar, from the growth and
      development of which the future animal is to be formed.
      This constitutes regular segmentation. Quite frequently,
      however, the equality and regularity of cleavage is
      interfered with by the presence of food yolk, from which
      results unequal segmentation. See Holoblastic,
      Meroblastic, Alecithal, Centrolecithal,
      Ectolecithal, and Ovum.

   Segmentation sphere (Biol.), the blastosphere, or morula.
      See Morula.
      [1913 Webster]

3. The Free On-line Dictionary of Computing (30 December 2018)
segmentation
reassembly
SAR
segmentation and reassembly

    (Or "segmentation and reassembly", SAR) Breaking
   an arbitrary size packet into smaller pieces at the
   transmitter.  This may be necessary because of restrictions in
   the communications channel or to reduce latency.  The pieces
   are joined back together in the right order at the receiver
   ("reassembly").  Segmentation may be performed by a router
   when routing a packet to a network with a smaller maximum
   packet size.

   The term "segmentation" is used in ATM, in TCP/IP, it is
   called "fragmentation" an is performed at the IP layer
   before the "fragments" are passed to the transport layer.

   See for example ATM forum UNI 4.0 specification.

   [Better reasons?]

   (1999-06-14)


Thesaurus Results for segmentation:

1. Moby Thesaurus II by Grady Ward, 1.0
abstraction, alienation, analysis, analyzation, anatomizing, anatomy, assay, assaying, breakdown, breaking down, breaking up, breakup, detachment, disarticulation, disassociation, disconnectedness, disconnection, discontinuity, disengagement, disjointing, disjunction, dislocation, dissection, disunion, division, divorce, divorcement, docimasy, gravimetric analysis, incoherence, isolation, luxation, parting, partition, proximate analysis, quantitative analysis, reduction to elements, removal, resolution, semimicroanalysis, separation, separatism, subdivision, subtraction, withdrawal, zoning
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