ammonium hydroxide

noun

, Chemistry.

1. a basic compound, NH 4 OH, existing only in solution, formed by dissolving ammonia gas in water.

ammonium hydroxide

noun

1. a compound existing only in aqueous solution, formed when ammonia dissolves in water to form ammonium ions and hydroxide ions. Formula: NH 4 OH Also calledaqueous ammonia

ammonium hydroxide

1. A colorless, basic, aqueous solution of ammonia used as a household cleanser and in the manufacture of a wide variety of products, including textiles, rayon, rubber, fertilizer, and plastic. Chemical formula: NH 4 OH.

Word History and Origins

Origin of ammonium hydroxide¹

First recorded in 1900–05