Definition of NUCLEOSIDE

nucleoside

Plural: nucleosides

Noun

  • a glycoside formed by partial hydrolysis of a nucleic acid
  • an organic molecule in which a nitrogenous heterocyclic base (or nucleobase), which can be either a double-ringed purine or a single-ringed pyrimidine, is covalently attached to a five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA). When the phosphate group is covalently attached to the pentose sugar, it forms a nucleotide.

Origin / Etymology

Probably from nucleo- + (glyc)oside.

Scrabble Score: 13

nucleoside: valid Scrabble (US) TWL Word
nucleoside: valid Scrabble Word in Merriam-Webster MW Dictionary
nucleoside: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 17

nucleoside: valid Words With Friends Word