Rarefy

['reərɪfaɪ] or ['rɛrə,fai]

解释:

(verb.) weaken the consistency of (a chemical substance).

(verb.) make more subtle or refined.

(verb.) lessen the density or solidity of; 'The bones are rarefied'.

校对:韦恩--From WordNet

解释:

(v. t.) To make rare, thin, porous, or less dense; to expand or enlarge without adding any new portion of matter to; -- opposed to condense.

(v. i.) To become less dense; to become thin and porous.

整理:莱昂内尔

同义词及近义词：

v. a. Make rarer, make less dense.

埃米莉录入

同义词及反义词：

SYN:Expand, lighten, attenuate, sublimate

ANT:Solidify, condense, thicken

弗里达编辑