[ oh-ver-koil ]
/ ˈoʊ vərˌkɔɪl /
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a fixed end of a spiral hairspring, consisting of an upwardly and inwardly bent continuation of the outermost coil of the spring: used to offset the asymmetry of the common spiral spring when tight, which impairs isochronism.
a hairspring having such a fixed end.
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Words nearby overcoil
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use overcoil in a sentence
Used in chronometers and other fine time pieces where the spring is an overcoil.Time Telling through the Ages|Harry Chase Brearley