07419408-n 'a decrease in the density of something';
 
Chinese (simplified) 变成 稀薄 , 变得 稀少 , 变得稀少 , 变成稀薄 , 稀薄化
英語 rarefaction ( )
Italian rarefazione
日本語 希薄
Definitions
英語
a decrease in the density of something
a sound wave causes periodic rarefactions in its medium
日本語
何かの密度の減少
音波は媒体の中で周期的に希薄化する
Relations
Hypernym: concentration
Semantic Field: eventn
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Maintainer: Francis Bond <bond@ieee.org>