rarefaction

US 
UK [ˌreərɪ'fækʃ(ə)n]
  • n.稀薄;纯净;【化】稀疏(作用)
  • Web疏部;稀疏酌;稀化
n.
1.
稀少,稀薄;纯净;【化】稀疏(作用)

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard