hot-water heater hot-water fit • hot water plant · · · Info · Definitions · Synonyms · Characters · · hot-water heater · · Text Common · · Latin · · Scripts 16 · · Length 5 · · Syllables Definitions · · · (noun) a heater and storage tank to supply heated water. Synonyms: water heater, hot-water heater, hot-water tank. · · Noun Definition 1 Synonyms · · · water heater · · Synonym 1 hot-water tank · · Synonym 2 Characters · · space U+0020 - hyphen-minus U+002D a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 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