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词汇 megadecibel
释义

Definition of megadecibel in English:

megadecibel

nounˈmɛɡəˌdɛsɪb(ɛ)l
figurative
  • A supposed unit of extreme loudness; an extremely loud sound, an extremely high degree of noise; frequently attributive.

Origin

1960s; earliest use found in Time. From mega- + decibel, as if from affix 2.

Definition of megadecibel in US English:

megadecibel

nounˈmɛɡəˌdɛsɪb(ɛ)l
figurative
  • A supposed unit of extreme loudness; an extremely loud sound, an extremely high degree of noise; frequently attributive.

Origin

1960s; earliest use found in Time. From mega- + decibel, as if from affix 2.

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