megaphone
メガホン
解説 Definition
megaphone は、大きな声を遠くまで届けるためのメガホン、拡声器という意味です。日本語の「メガホン」とほぼ同じですが、英語では電池式の拡声器を指すこともよくあります。
A megaphone is a portable device used to make a person’s voice louder and direct it toward people at a distance. It may be a simple cone-shaped instrument or an electronic, battery-powered loudspeaker used for announcements and crowd control.
覚え方のコツ Memory Tip
mega-「大きい」と -phone「声・音」をそのまま組み合わせ、「声を大きく届ける装置」と分解して覚える。use a megaphone、speak through a megaphone、carry a megaphone が典型表現。microphone は音を電気信号として拾う装置だが、megaphone は話し手の声を遠くの群衆へ拡声する点が中心。
Break megaphone into mega-, meaning “large,” and -phone, connected with “voice” or “sound.” The structure therefore suggests a device that makes a voice large enough to reach a distant crowd. Common patterns are use a megaphone, speak through a megaphone, and carry a megaphone. Picture a coach at practice, a guide at a station, or staff directing people at an event. A microphone mainly captures sound for amplification or recording, whereas a megaphone is the portable device that projects the speaker’s voice outward.
例文
The coach used a megaphone during practice.
コーチは練習中にメガホンを使いました。
A guide spoke through a megaphone at the station.
案内係が駅でメガホンを通して話しました。
The event staff carried a megaphone to direct the crowd.
イベントスタッフは人の流れを案内するためにメガホンを持っていました。
megaphone の類義語・関連語
megaphone の語源・成り立ち Etymology
ギリシャ語 mega（大きい）+ phōnē（声・音）の合成語で「大きな声を届ける装置」の意。1878年にエジソンが命名した。関連語：microphone（小さな音を拾う）、telephone（遠くの音）。同じ-phone語根は「音」を意味し、音響関連の語に広く使われる。
Megaphone was formed from Greek-derived elements: mega-, from megas, meaning “great” or “large,” and -phone, from phōnē, meaning “voice” or “sound.” The name literally describes a device that produces or carries a large voice. The term became established in English in the nineteenth century and was notably used for an acoustic voice-amplifying device developed by Thomas Edison in 1878.
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