Oxford Dictionary English acetic acid nounnoun BrE BrE//əˌsiːtɪk ˈæsɪd// ; NAmE NAmE//əˌsiːtɪk ˈæsɪd// [uncountable] Add to my wordlistjump to other results the acid in vinegar that gives it its taste and smell Word Originlate 18th cent.: acetic from French acétique, from Latin acetum ‘vinegar’.See acetic acid in the Oxford Advanced American DictionaryCheck pronunciation: acetic acid oxfordlearnersdictionaries.com
