roughen
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Red whirls on this rabbit’s tongue are filiform papillae, which roughen the tongue and help move food around the mouth.
From New York Times
Mark was the timid new kid then, which Darren, roughened up from life with an abusive father, exploited in their game of chicken.
From New York Times
The general idea is that ground surfaces roughen after the mass movement of rocks and soil, so that landslide deposits are the roughest right after the landslide occurs and become smoother over time.
From Science Daily
Auto-tune aside, fans will notice that Thorn's voice has deepened and roughened.
From BBC
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
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.