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

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