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hairspring
[ hair-spring ]
/ ˈhɛərˌsprɪŋ /
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noun Horology.
a fine, usually spiral, spring used for oscillating the balance of a timepiece.
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Also called balance spring.
Words nearby hairspring
hair shirt, hair slide, hair space, hairsplitting, hair spray, hairspring, hairstreak, hair stroke, hairstyle, hairstylist, hairtail
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How to use hairspring in a sentence
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
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