phoneidoscope

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

An instrument for studying the motions of sounding bodies by optical means. It consists of a tube across whose end is stretched a film of soap solution thin enough to give coloured bands, whose form and position are affected by sonorous vibrations.

日本語の意味

音響体の振動による運動を光学的手法で観察・研究するための装置。管の端に薄い石鹸液の膜が張られており、そこに生じる色の帯（彩帯）が音響振動の影響で変化する仕組みを持つ。

英語の意味

An instrument for studying the motions of sounding bodies by optical means. It consists of a tube across whose end is stretched a film of soap solution thin enough to give coloured bands, whose form and position are affected by sonorous vibrations.

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The scientist set up a phoneidoscope to observe how the violin's vibrating strings created shifting rainbow patterns on the soap film.

科学者は、音を出す物体の運動を光学的に観察するための器具（先端に薄い石けん膜を張った管で、振動によって色の帯が現れるもの）を設置し、バイオリンの弦の振動が膜に作る移り変わる虹色の模様を観察した。

詳細

意味（1）

An instrument for studying the motions of sounding bodies by optical means. It consists of a tube across whose end is stretched a film of soap solution thin enough to give coloured bands, whose form and position are affected by sonorous vibrations.

phoneidoscopes （ plural ）