nu‧cle‧ic ac‧id /njuːˌkliːɪk ˈæsəd, -ˌkleɪ- $ nuː-/
noun [uncountable and countable][
Date: 1800-1900;
Origin: nucleus]
one of the two acids,
DNA and
RNA, that exist in the cells of all living things
[TahlilGaran] Dictionary of Contemporary English ▲