恆等式 Save Sign in to save words Simplified: 恒等式 héngděngshì ㄏㄥˊ ㄉㄥˇ ㄕˋ identity (math.) Character by character 恆(héng)surname Heng 等(děng)wait for 式(shì)type A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0