adj. 1 a Physiol. of or relating to a bodily organ or organs. b Med. (of a disease) affecting the structure of an organ. 2 (of a plant or animal) having organs or an organized physical structure. 3 Agriculture produced or involving production without the use of chemical fertilizers, pesticides, etc. (organic crop; organic farming). 4 Chem. (of a compound etc.) containing carbon (opp. INORGANIC). 5 a structural, inherent. b constitutional, fundamental. 6 organized, systematic, coordinated (an organic whole). organic chemistry the chemistry of carbon compounds. organic law a law stating the formal constitution of a country. organically adv.
[ F organique f. L organicus f. Gk organikos (as ORGAN) ]