| 单词 | eyestone |
| 释义 | eyestone in British English (ˈaɪˌstəʊn) noun 1. medicine a small lens-shaped device for removing foreign substances from the eye 2. mineralogy a type of agate with concentric markings eyestone in American English (ˈaiˌstoun) noun a small calcareous body, flat on one side and convex on the other, passed between the eye and the eyelid to bring out cinders or other foreign matter Word origin [1670–80; eye + stone]This word is first recorded in the period 1670–80. Other words that entered Englishat around the same time include: episode, fund, guarantee, plan, saber |
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