English Explanatory Dictionary

high speed steel

English dictionary entry

Meanings

noun
  1. A kind of tool steel, invented in the early 20th century, which retains its hardness and temper at high temperatures (at which previous kinds of tool steel would soften), thus allowing cutters made from it to be employed at higher cutting speeds than were previously practical.

Pronunciation

hīʹspēd stēl'

Word forms

high speed steel high speed steels high-speed steel

Synonyms

HSS
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