Meanings
plural high speed steels · alternative high-speed steel
- countableuncountableengineeringA 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.
Synonyms: HSS
Synonyms & antonyms
nounA 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.
Cite this entry
high speed steel. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/high%20speed%20steel
“high speed steel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/high%20speed%20steel. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “high speed steel,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/high%20speed%20steel.
Source: high speed steel on Wiktionary, CC BY-SA 4.0.