heat sink heat shield • heat spectrum · · · Info · Definitions · Characters · · heat sink · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) a metal conductor specially designed to conduct (and radiate) heat. Synonyms: heat sink. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074