mutation: Meaning and Definition of


Pronunciation: (my-tā'shun), [key]
— n.
    1. a sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome.
    2. an individual, species, or the like, resulting from such a departure.
  1. the act or process of changing.
  2. a change or alteration, as in form or nature.
  3. umlaut.
  4. (in Celtic languages) syntactically determined morphophonemic phenomena that affect initial sounds of words.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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