hairspring
noun Date: 1830 a slender spiraled recoil spring that regulates the motion of the balance wheel of a timepiece

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Hairspring — Hair spring ( spr[i^]ng ), n. (Horology) The slender recoil spring which regulates the motion of the balance in a timepiece. [1913 Webster] …   The Collaborative International Dictionary of English

  • hairspring — ► NOUN ▪ a slender flat coiled spring regulating the movement of the balance wheel in a watch …   English terms dictionary

  • hairspring — [her′spriŋ΄] n. a very slender, spiral spring that controls the regular movement of the balance wheel in a watch or clock …   English World dictionary

  • hairspring — /ˈhɛəsprɪŋ/ (say hairspring) noun a fine, spiralled spring in a watch or clock for regulating the balance wheel …   Australian English dictionary

  • hairspring — /hair spring /, n. Horol. a fine, usually spiral, spring used for oscillating the balance of a timepiece. Also called balance spring. [1820 30; HAIR + SPRING] * * * …   Universalium

  • hairspring — noun A spring, made of a coil of fine wire, that is used to regulate the movement of a balance wheel in a watch …   Wiktionary

  • hairspring — n. delicate spring in a clock …   English contemporary dictionary

  • hairspring — noun a slender flat coiled spring regulating the movement of the balance wheel in a watch …   English new terms dictionary

  • hairspring — noun (C) a very small spring inside a watch that helps the watch work correctly …   Longman dictionary of contemporary English

  • hairspring — hair•spring [[t]ˈhɛərˌsprɪŋ[/t]] n. hor a fine, usu. spiral, spring used for oscillating the balance of a timepiece • Etymology: 1820–30 …   From formal English to slang

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