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roughening

  • present participle
    of roughen.
    roughen
    verb (used with or without object)
    to make or become rough or rougher.

Example Sentences

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See Examples For:

Though it may seem counterintuitive, roughening a ball’s surface delays the separation of the boundary layer and keeps a ball in turbulent flow longer.

From Scientific American ● Nov. 19, 2022

“When I close my eyes, I can still feel that moment,” said the other daughter, Samia, her voice roughening as her eyes filled with tears.

From Los Angeles Times ● Aug. 31, 2022

Instead he interprets traditional Yolngu chants, raising and roughening his gentle voice while a Western orchestra plays churning, minimalist accompaniments around him.

From New York Times ● Jul. 13, 2018

Wilmington’s Council had been closing shortfalls of 5 percent to 10 percent for several years, and the compounding effect was roughening the edges of a city that aggressively marketed its coastal quality of life.

From New York Times ● Jul. 5, 2011

“Photographs taken by means of slanting light show clearly the roughening and raising of the fibres of the paper about the date due to mechanical erasure,” the examiner wrote.

From "Killers of the Flower Moon" by David Grann