Last Updated
：2025/11/20
crystal set
Noun
Japanese Meaning
（電子工学）水晶受信機：外部電源を持たず、ラジオ波から直接エネルギーを受け取る初期の無線受信機。鉛やカドミウム硫化物の水晶と、接触ワイヤ（キャッツウィスカー）を利用する。
（ plural ）
Quizzes for review
(electronics) An early radio receiver, having no electrical power supply except the radio waves themselves; it used a crystal of lead or cadmium sulphide and a wire (the cat's whisker) touching the crystal's surface.
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crystal set
As a teenager, she built a simple crystal set to listen to distant broadcasts without batteries.
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As a teenager, she built a simple crystal set to listen to distant broadcasts without batteries.
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