ammonium hydroxide

noun Chemistry.

a basic compound, NH4OH, existing only in solution, formed by dissolving ammonia gas in water.

Compare ammonia.

Origin of ammonium hydroxide

First recorded in 1900–05

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for ammonium hydroxide

ammonium hydroxide

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ammonium hydroxide in Science

ammonium hydroxide

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: NH4OH.