Dictionary.com

hairspring

[ hair-spring ]
/ ˈhɛərˌsprɪŋ /
Save This Word!

noun Horology.

a fine, usually spiral, spring used for oscillating the balance of a timepiece.

QUIZZES

WERE YOU BAMBOOZLED BY THE WORDS FROM FEBRUARY?

We understand! Words are tricky that way. Take this quiz on the Words of the Day from February, 2021, to show that you’re far from frumious!
Question 1 of 10
Which Word of the Day means “happening within or being the created world of a story”?
Also called balance spring.

Origin of hairspring

First recorded in 1820–30; hair + spring
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for hairspring

hairspring
/ (ˈhɛəˌsprɪŋ) /

noun

horology a very fine spiral spring in some timepieces, which, in combination with the balance wheel, controls the timekeeping
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
Essays. Emails. Everything. Get Help Now!