Definition of "roughens" [roughens]

• Third-person singular simple present indicative form of roughen. (verb)

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• "The bad news is that I have two big bruises on my hips, one on each side, and I'll be walking for a while - until some new coat of snow roughens things up a bit."
• "To start with the tungsten is chemically very reactive and the nitrogen roughens the tungsten surface."
• "It chafes your legs, roughens your palms, abrades your shoulders and the danger of getting whacked by a ball."