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Wentworth scale

British

noun

geology a scale for specifying the sizes (diameters) of sedimentary particles, ranging from clay particles (less than 1/ 256 mm) to boulders (over 256 mm)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Wentworth scale

after C. K. Wentworth (1891–1969), US geologist

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023