Heterochrony

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Heterochronism \Het`er*och"ro*nism\, Heterochrony
  \Het`er*och"ro*ny\, n. [Gr. ? of different times; ? other + ?
     time.] (Biol.)
     In evolution, a deviation from the typical sequence in the
     formation of organs or parts.
     [1913 Webster]