Meaning of agglutination

ag•glu•ti•na•tion

Pronunciation: (u-glt"n-ā'shun), [key]
— n.
  1. the act or process of uniting by glue or other tenacious substance.
  2. the state of being thus united; adhesion of parts.
  3. that which is united; a mass or group cemented together.
  4. the clumping of bacteria, red blood cells, or other cells, due to the introduction of an antibody.
  5. a process of word formation in which morphemes, each having one relatively constant shape, are combined without fusion or morphophonemic change, and in which each grammatical category is typically represented by a single morpheme in the resulting word, esp. such a process involving the addition of one or more affixes to a base, as in Turkish, in which ev means “house,” ev-den means “from a house,” and ev-ler-den means “from houses.”
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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