greenboard
n.— «When retiling shower and tub walls, this contractor stands by the outdated practice of using moisture-resistant drywall—commonly called “greenboard”—as a backer board for tile.» —“Not on board with greenboard backer” by Gary Dymski Newsday (Long Island, New York) Oct. 12, 2006. (source: Double-Tongued Dictionary)
Further reading
Sean in Oneonta, New York, says that when he was growing up in New Jersey, his family would pile in the car and set off on a surprise adventure, whether a short distance or long, and the kids would be told only that they were going on Buxtehude...
Asthenosphere, a geologist’s term for the molten layer beneath the earth’s crust, sparks a journey that stretches all the way from ancient Greece to the author of Uncle Tom’s Cabin. Plus: What the heck is a dogberg? It’s when...