rarefy

['reərɪfaɪ][ˈrɛrəˌfaɪ]
vt.使稀薄;(思想等)精炼;使纯化;使变得精妙深奥
网络稀薄;使稀薄;抽空;使稀少
词形变化:
rarefied   rarefied   rarefying   rarefies  
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其他释义下的反义词
英英释义 网络释义
vern

1.lessen the density or solidity of;

The bones are rarefied

2.make more subtle or refined

3.weaken the consistency of (a chemical substance)