释义 |
ce·phe·id \ˈsēfēə̇d also ˈsef-\ noun or cepheid variable (-s) Usage: usually capitalized C Etymology: International Scientific Vocabulary cephe- (from Latin Cepheus, a northern constellation, from Cepheus, mythical king of Ethiopia and father of Andromeda, from Greek Kēpheus) + -id : one of a class of pulsating stars whose intrinsic light variations are very regular, occurring in periods up to two months |