noun🔗ShareAcide propanoïqueThe compound with the formula CH3CH2COOH, a naturally occurring carboxylic acid with a pungent odor."The strong, unpleasant smell in the cheese aging room was likely due to the presence of propionic acid. "La forte et désagréable odeur dans la salle d'affinage du fromage était probablement due à la présence d'acide propanoïque.compoundsubstancechemistryChat with AIVocabulary GamePractice Reading