ammonia water ammonia valve • ammonium alum · · · Info · Definitions · Synonyms · Characters · · ammonia water · · Text Common · · Latin · · Scripts 13 · · Length Definitions · · · (noun) a water solution of ammonia. Synonyms: ammonia, ammonium hydroxide. · · Noun Definition 1 Synonyms · · · ammonia · · Synonym 1 ammonium hydroxide · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077