dinucleotide

noun

di·​nu·​cle·​o·​tide (ˌ)dī-ˈn(y)ü-klē-ə-ˌtīd How to pronounce dinucleotide (audio)
: a nucleotide consisting of two units each composed of a phosphate, a pentose, and a nitrogen base

Examples of dinucleotide in a Sentence

Recent Examples on the Web Originally, it was thought that this protein could only be activated by cyclic GMP-AMP (cGAMP), or similar cyclic dinucleotide molecules. William A. Haseltine, Forbes, 21 Apr. 2022 The vitamin can help compensate for defects in the body’s ability to make a molecule, called nicotinamide adenine dinucleotide (NAD), which researchers have linked for the first time to healthy fetal development in humans. Gretchen Vogel, Science | AAAS, 9 Aug. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dinucleotide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1927, in the meaning defined above

Time Traveler
The first known use of dinucleotide was circa 1927

Dictionary Entries Near dinucleotide

Cite this Entry

“Dinucleotide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dinucleotide. Accessed 19 Apr. 2024.

Medical Definition

dinucleotide

noun
di·​nu·​cle·​o·​tide (ˌ)dī-ˈn(y)ü-klē-ə-ˌtīd How to pronounce dinucleotide (audio)
: a nucleotide consisting of two units each composed of a phosphate, a pentose, and a purine or pyrimidine base
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