lactic
adj. C1 Advanced US //ˈɫæktɪk// UK //lˈæktɪk// lac·tic
adj. relating to milk or the acid that builds up in your muscles when you exercise hard.
adj. relating to milk or the acid produced in muscle tissue during anaerobic respiration. Often used in medical or biological contexts to describe specific chemical properties.
The doctor tested the sample for lactic acid.
After a long run, the buildup of lactic acid in his legs caused a sharp, burning pain.
The fermentation process converts the natural sugars in the milk into lactic acid, which gives the final product its characteristic tangy flavor and thick texture.
From Latin lactis (“of milk”), genitive form of lac (“milk”), with the suffix -ic.