exon: Meaning and Definition of

ex•on

Pronunciation: (ek'son), [key]
— n.
  1. (in Britain) one of four yeomen of the guard who act as commanding officers in the absence of higher authority. Also called

ex•on

Pronunciation: (ek'son), [key]
— n. Genetics.
  1. any portion of an interrupted gene that is represented in the RNA product and is translated into protein. Cf. intron.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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