-ˌsīd noun
( -s )
Etymology: International Scientific Vocabulary nucle- + -ose + -ide
: a crystalline compound formed by partial hydrolysis of a nucleic acid or a nucleotide and consisting typically of a glycosyl-amine derived from ribose or deoxyribose and one of the purine bases adenine or guanine or one of the pyrimidine bases cytosine, uracil, or thymine — see adenosine , cytidine , guanosine , thymidine , uridine