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exon

Noun

ex=on

WORDNET DICTIONARY

exon(n = noun.substance) coding dna - sequence of a gene's DNA that transcribes into protein structures; "exons are interspersed with introns"

is a kind of deoxyribonucleic acid, desoxyribonucleic acid, dna

Antonym: intron

exon, n. [NL., from E. Exe (Celt. uisge water) the name of a river.].

A native or inhabitant of Exeter, in England. [1913 Webster]

exon, n. [F. expect an under officer.].

An officer of the Yeomen of the Guard; an Exempt. [1913 Webster]

exon, n. Brit. each of the four officers acting as commanders of the Yeomen of the Guard.

Etymology

repr. F pronunc. of EXEMPT

For further exploring for "exon" in Webster Dictionary Online