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Exod.
exodontics
Exodus
exodus
exoenzyme
exoergic
exogamy
exogenous
exon
exonerate
exonuclease
exophoria
exophthalmos
exor.
exorbitant
exorcise
exorcism
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exon

ex·on [ ék sòn ] (plural ex·ons)


noun 
Definition:
 
interrupted segment of DNA: a discontinuous sequence of DNA that codes for protein synthesis and carries the genetic code for the final messenger RNA molecule.
See also  intron


[Late 20th century. < shortening of expressed + -on1]
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