n.
Pronunciation: ' s ī -t ə - ˌ s ē n
Function: noun
Etymology: International Scientific Vocabulary cyt- + -ose + 2 -ine
Date: 1894
: a pyrimidine base C 4 H 5 N 3 O that codes genetic information in the polynucleotide chain of DNA or RNA ― compare ADENINE , GUANINE , THYMINE , URACIL