Subjective Units of Disturbance Scale

suds  (s?dz)pl.n.1. Soapy water.2. Foam; lather.3. Slang Beer.v. sudsed, suds·ing, suds·es v.tr. To wash in suds.v.intr. To form or make suds.[Perhaps from obsolete Dutch zudse, marsh, from Middle Dutch sudse.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.suds (s?dz) pl n1. (Chemistry) the bubbles on the surface of water in which soap, detergents, etc, have been dissolved; lather2. (Chemistry) soapy water3. (Brewing) slang chiefly US and Canadian beer or the bubbles floating on it[C16: probably from Middle Dutch sudse marsh; related to Middle Low German sudde swamp; see seethe] ?sudsy adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014suds (s?dz) n., v. sudsed, suds?ing. n. (used with a sing. or pl. v.) 1. water containing soap or detergent and having bubbles or froth on the surface. 2. foam; lather. 3. Slang. beer. v.t. 4. to wash in suds (often fol. by out). v.i. 5. to produce suds. [1540?50; perhaps