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2 definitions found
 for ontogeny
From The Collaborative International Dictionary of English v.0.48 :

  Ontogenesis \On`to*gen"e*sis\, Ontogeny \On*tog"e*ny\, n. [See
     Ontology, and Genesis.] (Biol.)
     The history of the individual development of an organism; the
     sequence of events involved in the development of an
     organism; the history of the evolution of the germ; the
     development of an individual organism, -- in distinction from
     phylogeny, or evolution of the tribe. Called also
     henogenesis, henogeny.
  
     Syn: growth, growing, maturation, development.
          [1913 Webster]

From WordNet (r) 3.0 (2006) :

  ontogeny
      n 1: (biology) the process of an individual organism growing
           organically; a purely biological unfolding of events
           involved in an organism changing gradually from a simple to
           a more complex level; "he proposed an indicator of osseous
           development in children" [syn: growth, growing,
           maturation, development, ontogeny, ontogenesis]
           [ant: nondevelopment]

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