| 单词 |
rarefication |
| 释义 |
rarefiˈcation rare. Also 7–8 rari-. [Noun of action, after L. types, from rarefy v.] = rarefaction.
1616in Bullokar Eng. Expos. 1727Bradley Fam. Dict. s.v. Bee hive, Its Whiteness is increased by this Rarification. 1794Sullivan View Nat. I. 209 It carries the point of greater rarefication on the other side of the equator. 1893Sir J. C. Browne in Times 3 Oct. 9/5 Rarefication in quality of two orders of impressions. |

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