rar·e·fied /ˈrærəˌfaɪd, ˈrɛr-/
(a.)變成稀薄的,純化的,考究的
Rar·e·fy v. t. [imp. & p. p. Rarefied p. pr. & vb. n. Rarefying ] To make rare, thin, porous, or less dense; to expand or enlarge without adding any new portion of matter to; -- opposed to condense.
rarefied
adj 1: having low density; "rare gasses"; "lightheaded from the
rarefied mountain air" [syn: rare, rarified]
2: reserved for an elite group [syn: rarified]
3: of high moral or intellectual value; elevated in nature or
style; "an exalted ideal"; "argue in terms of high-flown
ideals"- Oliver Franks; "a noble and lofty concept" [syn:
exalted, high-flown, high-minded, lofty, rarified,
idealistic, noble-minded]
rarefy
v 1: lessen the density or solidity of; "The bones are rarefied"
2: make more subtle or refined [syn: sublimate, subtilize]
3: weaken the consistency of (a chemical substance) [syn: attenuate]
[also: rarefied]