Last Updated：2025/11/20
(uncountable) Sonic barrier, the sudden increase in drag (resistance) and other effects experienced by moving objects when their speed approaches that of sound or becomes supersonic (which used to be considered a barrier to higher speeds).
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sound barrier
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Source Word
sound barrier
Noun
uncountable
countable
Japanese Meaning
音速に近づく、または超える際に物体が急激な抵抗増大やその他の影響を受ける現象、いわゆる「音の壁」として表現される現象
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（ plural ）
