noun Etymology: guano + -ine; from its being found especially in guano Date: 1850 a purine base C 5 H 5 N 5 O that codes genetic information in the polynucleotide chain of DNA or RNA
GUANINE
Meaning of GUANINE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012