screw thread

American  

noun

1. Also called worm.  the helical ridge of a screw.

2. a full turn of the helical ridge of a screw.

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screw thread British  

noun

1. the helical ridge on a screw formed by a die or lathe tool

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Etymology

Origin of screw thread

First recorded in 1805–15

Example Sentences

A new study has revealed that London's Crystal Palace was built in just 190 days thanks to a now standard innovation - the screw thread.

From BBC

Then, before you buy, you can ensure they match and check whether the screw threads holding the handle to the faucet are the same.

From Washington Post

Their screw threads on the outside grip the drywall.

From Washington Post

It’s a testament to Immerwahr’s considerable storytelling skills that I found myself riveted by his sections on Hoover’s quest for standardized screw threads, wondering what might happen next.

From New York Times

Malcolm picked out the largest, and then saw something about the screw thread.

From Literature