Wordiyorarefaction
🇬🇧 UK/.rєәri'fækʃәn/🇺🇸 US
GREC2
Definitions
n.
A reduction in the density of a material, especially a fluid or gas
稀薄化，（气体或液体的）密度降低
🧩 Root Breakdown
Root-derivedCommon Collocations
- 1.rarefaction wave稀疏波
- 2.zone of rarefaction稀疏区
- 3.[air rarefaction]空气稀薄
- 4.rarefaction of gas气体稀薄化
Example Sentences
- 1.
Sound waves travel through alternating zones of compression and rarefaction.
- 2.
The rarefaction of air at high altitudes makes breathing difficult for climbers.