天火字典

英日字典： rarefaction

rarefaction

(Sound)

KK Pronunciation

〔 ˏrєrәˋfækʃәn 〕

Pronunciation

〔 ˏrєәriˊfækʃәn 〕

The rarefaction has 1 Senses.

rarefaction
希薄
a decrease in the density of something; "a sound wave causes periodic rarefactions in its medium"
何かの密度の減少

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