trub
n.— «Don’t worry about all of the junk (hops and proteins—called the “trub” in brewers lingo) in the wort—most of it will fall to the bottom during fermentation.» —“How to Brew Beer – 5 Steps for Making Beer at Home – Part 2″ by Brad Smith BeerSmith Home Brewing Beer Blog Jan. 18, 2009. (source: Double-Tongued Dictionary)