一氧化氮 Save Sign in to save words yīyǎnghuàdàn ㄧ ㄧㄤˇ ㄏㄨㄚˋ ㄉㄢˋ nitric oxide Character by character 一(yī)one 氧(yǎng)oxygen 化(huà)make into 氮(dàn)nitrogen A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0