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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  
/ sēfyo̅o̅s′,-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

Cantor analyst Troy Jensen noted Thursday that the company had made the technical progress needed to deploy its Cepheus system by the end of March.

From Barron's Mar. 4, 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

Andromeda was the daughter of Cepheus, king of Ethiopia, and of Cassiope.

From The Lusiad or The Discovery of India, an Epic Poem by Camões, Luís de

In a 1992 paper, based on this concern, Walker backed away from the claim that the signal from Gamma Cephei represented a planet.

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

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

From Textbooks Oct. 13, 2016

The curve in Figure 19.9 represents a simplified version of the light curve of Delta Cephei.

From Textbooks Oct. 13, 2016

The pole star lies nearly in a line joining the brighter stars α Cephei and α Cygni.

From To Mars via The Moon An Astronomical Story by Wicks, Mark

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