一氧化氮 yī yǎng huà dàn

nitric oxide

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. nitric oxide

Characters

Character Meaning
一 yī HSK 1
one; 1; single
氧 yǎng HSK 6
oxygen (chemistry)
化 huà HSK 3
to change into; to transform; to make into
氮 dàn
nitrogen (chemistry)