[ trahy-noo-klee-uh-tahyd, -nyoo- ]
/ traɪˈnu kli əˌtaɪd, -ˈnyu- /

noun Genetics.

three linked nucleotides; triplet.

Origin of trinucleotide

First recorded in 1915–20; tri- + nucleotide Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for trinucleotide


[ trī-nōōklē-ə-tīd′ ]


A triplet of nucleotides; a codon.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.