deoxyribonucleic acid
n//di.ɒk.sɪˌɹaɪ.bəʊ.njuːˈkleɪ.ɪk ˈæ.sɪd//deoxiribonukleinsyra
(biochemistry, genetics) A nucleic acid found in all living things (and some non-living things such as certain viruses) which consists of two polynucleotide chains that coil around each other to form a double helix; encoded in its structure are genetic instructions for development, functioning, growth, and reproduction.