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strength·en(strĕngk′thən, strĕng′-, strĕn′-)
v. strength·ened, strength·en·ing, strength·ens
To make strong or increase the strength of.
To become strong or stronger.
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|Noun||1.||strengthener - a device designed to provide additional strength; "the cardboard backing was just a strengthener"; "he used gummed reinforcements to hold the page in his notebook"|
brace - a support that steadies or strengthens something else; "he wore a brace on his knee"
device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
safety arch - an undecorated arch that is included in order to strengthen or support a construction