Oxford Dictionary English ascorbic acid nounnoun BrE BrE//əsˌkɔːbɪk ˈæsɪd// ; NAmE NAmE//əsˌkɔːrbɪk ˈæsɪd// [uncountable] jump to other results = vitamin C Word Origin1930s: from a- ‘without’ + medieval Latin scorbutus ‘scurvy’ + -ic.See ascorbic acid in the Oxford Advanced American DictionaryCheck pronunciation: ascorbic acid oxfordlearnersdictionaries.com