恆定 Save Sign in to save words Simplified: 恒定 héngdìng ㄏㄥˊ ㄉㄧㄥˋ constant Character by character 恆(héng)permanent 定(dìng)fix A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0