Medical Dictionary

intron

noun in·tron \ˈin-ˌträn\

Medical Definition of INTRON

:  a polynucleotide sequence in a nucleic acid that does not code information for protein synthesis and is removed before translation of messenger RNA—compare exon
in·tron·ic \in-ˈträn-ik\ adjective

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears