dinucleotide
noun
di·nu·cle·o·tide (ˌ)dī-ˈn(y)ü-klē-ə-ˌtīd 
: a nucleotide consisting of two units each composed of a phosphate, a pentose, and a nitrogen base
Example Sentences
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
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 Word History
First Known Use
circa 1927, in the meaning defined above
Phrases Containing dinucleotide
Medical Definition
dinucleotide
noun
di·nu·cle·o·tide (ˌ)dī-ˈn(y)ü-klē-ə-ˌtīd
: a nucleotide consisting of two units each composed of a phosphate, a pentose, and a purine or pyrimidine base