Search the dictionary A Chinese word or character, or English Search 9 entries. zhìsù 质素 quality zhìsù 質素 quality zhísù 值宿 on night duty mùzhìsù 木质素 lignin mùzhìsù 木質素 lignin shuǐzhìsù 水蛭素 hirudin jiǎozhìsù 角质素 keratin jiǎozhìsù 角質素 keratin wèizhīsù 味之素 Ajinomoto, Japanese food and chemical corporation