| 单词 | cepheid (variable) |
| 释义 | Cepheid (variable) in American English (ˈsɛfiɪd; ˈsifiɪd) noun any of a class of pulsating, yellow, supergiant stars whose brightness varies in regular periods: from the period-luminosity relation, the distance of such a star can be determined : sometimes cepheid (variable) Word origin after Cepheus + -id |
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