'Toughening' definitions:
Definition of '
Toughening
'
From:
GCIDE
Toughen \Tough"en\, v. i. & t. [imp. & p. p.
Toughened
; p. pr. & vb. n. Toughening.] To grow or make tough, or tougher. [1913 Webster]
Words containing '
Toughening
'
Toughen
,
Toughened
,
Toughened glass
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