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trinucleotide

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

noun

Genetics.

  1. three linked nucleotides; triplet.

Etymology

Origin of trinucleotide

First recorded in 1915–20; tri- + nucleotide

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The findings explain how the trinucleotide repeat expansion causes RNA-directed gene silencing during development in fragile X syndrome.

From Science Magazine • Feb. 27, 2014

Often, later generations suffer worse than earlier ones because of a genetic mechanism known as trinucleotide repeat expansion.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.