公差 Traditional form: 公差 Pinyin (reading): gōngchā Definitions: tolerance (allowed error) common difference (of an arithmetic series) Characters: 公 - fair, equitable; public; duke 差 - difference, gap; almost, nearly; in error; an officer Traditional characters: 公 - fair, equitable; public; duke 差 - difference, gap; almost, nearly; in error; an officer