wire micrometer
noun
A micrometer used in a telescope, having horizontal and vertical wires at the focus of the eyepiece.
Origin
Late 18th century; earliest use found in Philosophical Transactions of the Royal Society of London.
| 单词 | wire micrometer |
| 释义 | wire micrometernoun A micrometer used in a telescope, having horizontal and vertical wires at the focus of the eyepiece. Origin |
| 随便看 |
英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。