Search the dictionary A Chinese word or character, or English Draw a character Search 4 entries. yuánzǐzhìliàng 原子质量 atomic mass yuánzǐzhìliàng 原子質量 atomic mass xiāngduìyuánzǐzhìliàng 相对原子质量 relative atomic mass xiāngduìyuánzǐzhìliàng 相對原子質量 relative atomic mass