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Whitworth screw thread

/ (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

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Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
To cook in water, just below boiling temperature.
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Word Origin for Whitworth screw thread

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

Words nearby Whitworth screw thread

whittlings, whittret, Whittuesday, Whit Week, Whitworth, Whitworth screw thread, whity, whiz, whiz-bang, whiz kid, whizz
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