rarefy
- IPA[ˈrɛːrɪfʌɪ]
英式
- make or become less dense or solid
verb: rarefy, 3rd person present: rarefies, gerund or present participle: rarefying, past tense: rarefied, past participle: rarefied
- 釋義
- 相關詞
動詞
- 1. make or become less dense or solid air rarefies and degrounds the physical body as the shell continues to expand and rarefy, astronomers may eventually be able to see characteristic gamma rays from the radioactivity within
- (of air, especially that at high altitudes) of lower pressure than usual; thin: every ounce carried counts triple when you're trudging uphill in rarefied air
Oxford Dictionary
- (of air, especially that at high altitudes) of lower pressure than usual; thin: every ounce carried counts triple when you're trudging uphill in rarefied air
Oxford American Dictionary