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Cepheus

American  
[see-fee-uhs, -fyoos] / ˈsi fi əs, -fjus /

noun

  • Cephei
    genitive
  1. Astronomy. a northern circumpolar constellation between Cassiopeia and Draco.

  2. Classical Mythology. Also an Ethiopian king, the husband of Cassiopeia and father of Andromeda.


Cepheus 1 British  
/ ˈsiːfjuːs /

noun

  1. Greek myth a king of Ethiopia, father of Andromeda and husband of Cassiopeia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cepheus 2 British  
/ ˈsiːfjuːs /

noun

  1. a faint constellation in the N hemisphere near Cassiopeia and the Pole Star See also Cepheid variable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cepheus Scientific  
/ sē′fyo̅o̅s′,-fē-əs /
  1. A constellation in the Northern Hemisphere near Cassiopeia and Draco.


Other Word Forms

Etymology

Origin of Cepheus

from Latin Cēpheus named after the mythical king

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Rigetti has indicated it plans to hone its technology in the coming months, saying it expects the latest Cepheus system to reach a median 99.5% two-qubit gate fidelity—essentially, a measure of quality—later this year.

From Barron's ● Apr. 8, 2026

Rigetti plans to enhance its Cepheus system to achieve a median 99.5% two-qubit gate fidelity later this year.

From Barron's ● Apr. 8, 2026

The Sh2-132 complex lies near the border of the Cepheus and Lacerta constellations and contains several deep sky structures.

From BBC ● Sep. 14, 2023

It is at a distance of about 18 million light-years, in the direction of the constellations Cepheus and Cygnus.

From Textbooks ● Oct. 13, 2016

Her mother thought herself superior in beauty to the Nereids, which excited their jealousy, and through their influence a sea-monster was sent to prey upon man and beast in the dominions of Cepheus.

From The Works of Alexander Pope, Volume 1 New Edition by Alexander Pope

Despite this obstacle, by 1988 he had detected the signal of a Jupiter-mass planet that circles around a star named Gamma Cephei every 2.7 years.

From Scientific American ● Nov. 12, 2019

The sun rotates once a month, but Walker thought Gamma Cephei was a giant star, which could be rotating much more slowly.

From Scientific American ● Nov. 12, 2019

In the meantime, Goodricke had discovered two other stars that varied regularly, Beta Lyrae and Delta Cephei, both of which continued to interest astronomers for years to come.

From Textbooks ● Oct. 13, 2016

Figure 19.9 is the light curve for the prototype cepheid variable Delta Cephei.

From Textbooks ● Oct. 13, 2016

Thrown together as though at random, and seemingly in utter violation of the law of symmetry, they defy observation: such, for instance, are 5 M. Lyrae, 5 2 M. Cephei, Dumb-Bell, and some others.

From Five Years of Theosophy by Various

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