hydrated lime hydrated aluminum oxide • hydrated oxide · · · Info · Definitions · Synonyms · Characters · · hydrated lime · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a caustic substance produced by heating limestone. Synonyms: calcium hydroxide, lime, slaked lime, hydrated lime, calcium hydrate, caustic lime, lime hydrate. · · Noun Definition 1 Synonyms · · · calcium hydroxide · · Synonym 1 lime · · Synonym 2 slaked lime · · Synonym 3 calcium hydrate · · Synonym 4 caustic lime · · Synonym 5 lime hydrate · · Synonym 6 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079