Lactic acid is a type of acid which is found in sour milk and is also produced by your muscles when you have been exercising a lot.
lactic acid in British English
noun
a colourless syrupy carboxylic acid found in sour milk and many fruits and used as a preservative (E270) for foodstuffs, such as soft margarine, for making pharmaceuticals and adhesives, and produced in muscle tissue during strenuous exercise. Formula: CH3CH(OH)COOH
Systematic name: 2-hydroxypropanoic acid
lactic acid in American English
a yellowish or clear, syrupy organic acid, CH3CHOHCOOH, produced by the fermentation of lactose when milk sours or from sucrose and some other carbohydrates by the action of certain microorganisms, and used in tanning leather, as a preservative, in the formation of plasticizers, etc.
lactic acid in the Pharmaceutical Industry
(læktɪk æsɪd)
noun
(Pharmaceutical: Physiology)
Lactic acid is an acid which is produced in muscles when glucose is metabolized. It is also found in sour milk.
Lactic acid is produced when glucose is metabolized, and an excessive amount may irritate muscles.
Under pressure, the human muscles produce lactic acid, which can cause pain if it accumulates.
Lactic acid is an acid which is produced in muscles when glucose is metabolized. It is also foundin sour milk.
Examples of 'lactic acid' in a sentence
lactic acid
The muscles can get quite tight and it flushes out the lactic acid.
Times, Sunday Times (2009)
Your legs are full of lactic acid and really aching.
The Sun (2012)
The bacteria produce lactic acid which slows down the speed of digestion.