lactic adjective.
['laktɪk] L18.[from Latin lact-, lac milk + -IC.]1. Chiefly
Chemistry &
Biochemistry. Of, pertaining to, or derived from milk.
L18.lactic acid a colourless hygroscopic organic acid, CH
3CH(OH)COOH, present in sour milk and formed metabolically esp. as the end product of glycolysis; 2-hydroxypropanoic acid. lactic fermentation: (esp. of milk) due to bacterial conversion of lactose to lactic acid.
2. Of bacteria: producing lactic acid. Of dairy products, wine, etc.: containing an unusually high proportion of lactic acid. E20. [TahlilGaran] English Dictionary ▲