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intron

Pronunciation: /ˈɪntrɒn/
Definition of intron

noun

Biochemistry
  • a segment of a DNA or RNA molecule which does not code for proteins and interrupts the sequence of genes. Compare with exon1.

Derivatives

intronic

adjective

Origin:

1970s: from intra- 'within' + -on

intron in other Oxford dictionaries

Definition of intron in the US English dictionary