noun, genitive Ce·phe·i [see-fee-ahy] /ˈsi fiˌaɪ/ for 1.
Examples from the Web for cepheid
And then for an instant, the Cepheid's bright wink was dulled; eclipsed.The Women-Stealers of Thrayx|Fox B. Holden
We will install it in the 'S Doradus' and the 'Cepheid' as a weapon.
Shapley has estimated the distances of many of these bodies, which contain a large number of variable stars of the Cepheid type.Astronomy|David Todd
Some stars pulsed, like the Cepheid variables, but in an orderly way.The Egyptian Cat Mystery|Harold Leland Goodwin
They started down the corridor, and came presently to the huge locks where the "S Doradus" and the "Cepheid" were berthed.
British Dictionary definitions for cepheid (1 of 2)
noun Latin genitive Cephei (ˈsiːfɪˌaɪ)
Word Origin for Cepheus
British Dictionary definitions for cepheid (2 of 2)
Word Origin and History for cepheid
type of variable star, 1904, from Delta Cephi, the name of the first such star identified, which is in the dim northern constellation Cephus, named for Greek Kepheus, a mythical king. With -id.