Lexic.us

Definition of Toughened

1. Adjective. Physically toughened. "The tough bottoms of his feet"

2. Adjective. Made hard or flexible or resilient especially by heat treatment. "Tempered glass"

Definition of Toughened

1. Verb. (past of toughen) ¹

¹ Source: wiktionary.com

Definition of Toughened

1. toughen [v] - See also: toughen

Lexicographical Neighbors of Toughened

tough luck tough nut to crack tough nuts to crack tough out tough road to hoe tough row to hoe tough toodles tough tuchus toughed toughed out

toughen toughen up toughened (current term) toughened silver nitrate toughener tougheners toughening toughens tougher toughest

toughie toughies toughing toughing out toughish toughly toughness

Literary usage of Toughened

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal by Royal Society of Arts (Great Britain) (1875)
"toughened glass presents features which appear to some extent paradoxical. It would appear that toughened glass possesses enormous cohesive power, ..."

2. American Druggist (1885)
"toughened Filter-papers. IN attempting to prepare pyroxylin filters, the writer found that paper was remarkably toughened by the action of nitric acid, ..."

3. The Science Record edited by Alfred Ely Beach (1876)
"THE BASTIE toughened GLASS. WE recently witnessed a number of interesting experiments upon the Bastie toughened or tempered glass, exhibited by Professor ..."

4. The Living Age by Making of America Project, Eliakim Littell, Robert S. Littell (1876)
"A piece of toughened glass of similar dimensions, similarly treated, ... As singular as any other feature presented by toughened glass are the results of ..."

5. Handbook for Mechanical Engineers by Henry Adams (1897)
"toughened CAST IRON. toughened cast iron is produced by adding to the cast iron, ... Rendered brittle by absorption of carbon, refined and toughened during ..."

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