screw thread

screw thread

noun
1.
Also called worm. the helical ridge of a screw.
2.
a full turn of the helical ridge of a screw.

Origin:
1805–15
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Screw thread is always a great word to know.
So is lollapalooza. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
Collins
World English Dictionary
screw thread
 
n
the helical ridge on a screw formed by a die or lathe tool

Collins English Dictionary - Complete & Unabridged 10th Edition
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