| 单词 | rarefaction |
| 释义 | rarefaction —rarefactional, adj. —rarefactive /rair'euh fak"tiv/, adj. /rair'euh fak"sheuhn/, n. 1. the act or process of rarefying. 2. the state of being rarefied. [1595-1605; < ML rarefaction- (s. of rarefactio), equiv. to L rarefact(us) (ptp. of rarefacere; see RAREFY) + -ion- -ION] |
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