Whitworth screw thread

British

/ ˈwɪtwəθ /

noun

a thread form and system of standard sizes, proposed by Whitworth in 1841 and adopted as standard in the U.K., having a flank angle of 55° and a rounded top and foot

"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 Whitworth screw thread

named after Sir Joseph Whitworth (1803–87), English engineer

Example Sentences

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Whitworth screw thread

Show the form of the Whitworth screw thread by drawing to scale a part section of two or three threads taking a pitch of 1½ inches.

From An Introduction to Machine Drawing and Design by David Allan Low

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