Chemical compound of nitrogen and hydrogen that is a colorless gas with a pungent smell; commonly used in fertilizers and refrigerants.

Suffix appearing after nouns or adjectives that expresses a transformation into a certain state or quality, meaning "-ize" or "-ization"

the natural purpose or activity of something, such as a biological or chemical process; often used as a suffix to mean "-ation" or "-ing" as in 消化 xiāo​huà plus this word for "digestion"