- 氮 nounnitrogenthe nonmetallic chemical element with symbol N; a colorless, odorless gas that makes up about four-fifths of the earth's atmosphere
- 化 affixparticle[...-ize]Suffix appearing after nouns or adjectives that expresses a transformation into a certain state or quality, meaning "-ize" or "-ization"
- galliumthe chemical element with symbol Ga; a soft, silvery-white metal with a low melting point used in semiconductors and high-temperature thermometers