EXAMPLES | noun, genitive Ce·phe·i [ see-fee-ahy] /ˈsi fiˌaɪ/ for 1. . Astronomy a northern circumpolar constellation between Cassiopeia and Draco. Also Kepheus. . Classical Mythology an Ethiopian king, the husband of Cassiopeia and father of Andromeda. Related forms Ce·phe·id , [ see-fee-id] /ˈsi fi ɪd/ adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for cepheid Historical Examples of cepheid
We will install it in the 'S Doradus' and the '
Cepheid' as a weapon.
Some stars pulsed, like the
Cepheid variables, but in an orderly way.
And then for an instant, the
Cepheid's bright wink was dulled; eclipsed.
Shapley has estimated the distances of many of these bodies, which contain a large number of variable stars of the
Cepheid," her sister ship, had gone along on seven of the trips, and added to the total. British Dictionary definitions for cepheid noun Latin genitive Cephei ( ˈsiːfɪˌaɪ) a faint constellation in the N hemisphere near Cassiopeia and the Pole Star See also Cepheid variable Word Origin for Cepheus
Cēpheus named after the mythical king noun Greek myth a king of Ethiopia, father of Andromeda and husband of Cassiopeia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for cepheid n.
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.
Online Etymology Dictionary, © 2010 Douglas Harper
Any of a class of variable stars whose luminosity fluctuates with an extremely regular period. There is a strong correlation between the absolute magnitude of a Cepheid's luminosity and its period. By comparing the apparent magnitude of a Cepheid to the absolute magnitude corresponding to its period, it is possible to determine fairly accurately how distant the Cepheid is from Earth. Also called Cepheid variable A constellation in the Northern Hemisphere near Cassiopeia and Draco.
The American Heritage® Science Dictionary
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