Definition of work-harden in English:

work-harden

Syllabification: work-hard·en

verb

[with object] (often as noun work-hardening) Metallurgy
Toughen (a metal) by cold-working.
More example sentences
  • Repeated expansion and sizing work-hardens the case and overtime makes it less resilient.
  • The rest of the strength is generated by work-hardening.
  • Machining operations are normally limited to turning and milling because manganese steel work-hardens under load.

Definition of work-harden in:

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Word of the day apposite
Pronunciation: ˈapəzit
adjective
apt in the circumstances or relation to something