nu ‧ cle ‧ ic ac ‧ id /njuːˌkliːɪk ˈæsəd, -ˌkleɪ- $ nuː-/ BrE AmE 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
nu ‧ cle ‧ ic ac ‧ id /njuːˌkliːɪk ˈæsəd, -ˌkleɪ- $ nuː-/ BrE AmE 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
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012