Whitworth screw thread
/ (ˈwɪtwəθ) /
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
9 Synonyms For “Screwing Up”We’ve all had moments where we’ve really and truly screwed something up. An epic mistake (OK, maybe not on a historic, global scale like the February 26, 2017 Oscars). But still, we’re human, and mistakes do happen. There are a lot of words to describe things going south in a hurry. We’ve gathered a few here. You’ll notice they’re all very close in definition. Maybe …
10 Commonly Misused WordsRead more in this article about some frequently asked questions and fun facts related to our definitions.
Word Origin for Whitworth screw thread
named after Sir Joseph Whitworth (1803–87), English engineer
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