mononucleotide
/mɒnə(ʊ)ˈnjuːklɪətʌɪd/Biochemistry
noun
Any of several compounds which are formed from a single molecule each of phosphoric acid, a sugar, and a heterocyclic base, and are the units of which nucleic acids are composed; a monomeric nucleotide.
Origin
Early 20th century; earliest use found in Journal of the Chemical Society. From mono- + nucleotide, after German Mononucleotid.