| 单词 | overcoil |
| 释义 | overcoil /oh"veuhr koyl'/, n. Horol. 1. 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. 2. a hairspring having such a fixed end. [1880-85; OVER- + COIL1] |
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