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A colorless, basic, aqueous solution of ammonia, NH4OH, used as a household cleanser and in the manufacture of a wide variety of products, including textiles, rayon, rubber, fertilizer, and plastic. Also called ammonia, ammonia water.
(Elements & Compounds) a compound existing only in aqueous solution, formed when ammonia dissolves in water to form ammonium ions and hydroxide ions. Formula: NH4OH. Also called: aqueous ammonia
a basic liquid compound, NH4OH; ammonia water.