天火字典

英英字典： rarefaction

rarefaction

(Sound)

KK Pronunciation

〔 ˏrєrәˋfækʃәn 〕

Pronunciation

〔 ˏrєәriˊfækʃәn 〕

Overview of noun rarefaction

The noun rarefaction has 1 sense

rarefaction -- (a decrease in the density of something; "a sound wave causes periodic rarefactions in its medium")

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