am·mo·nia /əˈmonjə/ 名詞
am·mo·ni·a n. Chem. A gaseous compound of hydrogen and nitrogen, NH3, with a pungent smell and taste: -- often called volatile alkali, and spirits of hartshorn. It is very soluble in water, forming a moderately alkaline solution, and is used in aqueous solution as a household cleaning agent, such as for cleaning grease from glass.
n 1: a pungent gas compounded of nitrogen and hydrogen (NH3)
2: a water solution of ammonia [syn: ammonia water, ammonium