thermal roughening
 n.— «In February, crews started blasting the sidewalks with a blowtorch—or “thermal roughening,” as they call it—to burn away the slippery top layer of stone.» —“Mayor Bloomberg orders $1M worth of repairs on sidewalk near City Hall” by Adam Lisberg New York Daily News (New York City) Apr. 14, 2008. (source: Double-Tongued Dictionary)

Tagged with →  

This site uses Akismet to reduce spam. Learn how your comment data is processed.