单词乎

rarefaction

音标[,rєәri'fækʃәn]

汉语翻译

n. 稀薄化, 稀薄
【医】 稀疏[状态], 疏松[状态]

词型变化

形容词:rarefactive 

英语解释

名词 rarefaction:

  1. a decrease in the density of something

详细解释


rar.e.fac.tion

n.(名词)
A decrease in density and pressure in a medium, such as air, caused by the passage of a sound wave.
稀薄化:介质中密度和压力的下降,例如在空气中,由于声波的穿越而发生
The region in which this occurs.
稀疏区:发生这种现象的区域

【引伸】
rar.efac.tive
adj.(形容词)

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