泛酸 Traditional form: 泛酸 Pinyin (reading): fànsuān Definitions: pantothenic acid vitamin B5 to surge up (of acid in the stomach) Characters: 泛 - to drift, to float; broad, vast; careless, reckless 酸 - tart, sour; spoiled; acid Traditional characters: 泛 - to drift, to float; broad, vast; careless, reckless 酸 - tart, sour; spoiled; acid