Hypertext Webster Gateway: "toughened"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Toughen \Tough"en\, v. i. & t. [imp. & p. p. {Toughened}; p. pr.
& vb. n. {Toughening}.]
To grow or make tough, or tougher.
From WordNet (r) 1.7 (wn)
toughened
adj 1: physically toughened; "the tough bottoms of his feet" [syn:
{tough}] [ant: {tender}]
2: made hard or flexible or resilient especially by heat
treatment; "a sword of tempered steel"; "tempered glass"
[syn: {tempered}, {treated}, {hardened}] [ant: {untempered}]
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