toughener
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toughener — noun Something used to toughen … Wiktionary
toughener — n. something which hardens, something which makes stronger … English contemporary dictionary
toughener — toughˈener noun • • • Main Entry: ↑tough … Useful english dictionary
toughen — toughener, n. /tuf euhn/, v.t., v.i. to make or become tough or tougher. [1575 85; TOUGH + EN1] Syn. harden, firm, strengthen, stiffen. * * * … Universalium
lead processing — Introduction preparation of the ore for use in various products. Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… … Universalium
toughen — verb make or become tough. Derivatives toughener noun … English new terms dictionary
toughen — /ˈtʌfən/ (say tufuhn) verb (t) 1. to make tough or tougher. –verb (i) 2. to become tough or tougher. {tough + en1} –toughener, noun …
toughen — [tuf′ən] vt., vi. to make or become tough or tougher toughener n … English World dictionary
tough — adj. & n. adj. 1 hard to break, cut, tear, or chew; durable; strong. 2 (of a person) able to endure hardship; hardy. 3 unyielding, stubborn, difficult (it was a tough job; a tough customer). 4 colloq. a acting sternly; hard (get tough with). b… … Useful english dictionary
