a device for recording either how far below the surface of the sea it is or the depth of water below a vessel.
| 单词 | θ206027 |
| 释义 | society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > depth-finder (7) depth recorder1911 a device for recording either how far below the surface of the sea it is or the depth of water below a vessel. depth finder1923 an apparatus for sounding the sea; spec. sonic depth finder one in which the measurement is made by timing the echoes from the sea-bottom of sound… Fathometer1925 An instrument for the determination of the depth of the sea by measuring the time taken by a sound-wave to reach the bottom and return. echo-sounder1927 a device used for this purpose. echometer1937 (See quot. 1842.) Also, a type of echo-sounder. Subcategories:— tracing made by (2) |
| 随便看 |
|
英语词典包含1132095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。