high-speed steel high-speed • high-speed turn · · · Info · Definitions · Synonyms · Characters · · high-speed steel · · Text Common · · Latin · · Scripts 16 · · Length Definitions · · · (noun) an alloy steel that remains hard at a red heat; used to make metal-cutting tools. Synonyms: hot-work steel. · · Noun Definition 1 Synonyms · · · high-speed · · Synonym 1 high-velocity · · Synonym 2 Characters · · space U+0020 - hyphen-minus U+002D d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074