See Also: propionic(medicine)
propionic(dictionary)
Propionic acid(medicine)
propionic acidemia(medicine)
propionic acids(medicine)

propionic (iou)



propionic adjective. M19.
[French propionique, formed as PRO-2 + Greek pion fat (as the first in the carboxylic acid series to form fatty compounds): see -IC.]
Chemistry. propionic acid, a colourless sharp-smelling liquid carboxylic acid, CH3CH2COOH, used esp. to inhibit the growth of mould in bread etc. Also called propanoic acid.
propio'lactone noun a pungent colourless liquid -lactone, C3H4O2, used as a disinfectant E20.
propio'naldehyde noun the aldehyde, CH3CH2CHO, of propionic acid, a flammable colourless liquid that forms an explosive mixture with air (also called
propanal,
propyl aldehyde) E20.
'propionate noun a salt or ester of propionic acid L19.
'propionyl noun the radical CH3CH2CO M19.