反式 Traditional form: 反式 Pinyin (reading): fǎnshì Definitions: trans- (isomer) (chemistry) see also 順式/顺式 (shùnshì) Characters: 反 - reverse, opposite; contrary, anti- 式 - formula, pattern, rule, style, system Traditional characters: 反 - reverse, opposite; contrary, anti- 式 - formula, pattern, rule, style, system