opeidoscope
[医] 喉音振动测验器
词形变化
opeidoscopes
复数
opeidoscopes
释义与例句
n.
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1.
An instrument, consisting of a tube with one end open and the other end covered with a thin flexible membrane with a mirror attached to its centre, used for exhibiting upon a screen, by means of rays reflected from the mirror, the vibratory motions caused by sounds that enter the tube.
词源
Coined by its inventor Amos Dolbear, from Ancient Greek roots.
来源:wiktionary