Dictionary.com
Thesaurus.com

Cetus

American  
[see-tuhs, say-] / ˈsi təs, ˈseɪ- /

noun

Astronomy.
  • Ceti
    genitive
  1. the Whale, a constellation lying above the equator, containing the variable star Mira.


Cetus British  
/ ˈsiːtəs /

noun

  1. a large constellation on the celestial equator near Pisces and Aquarius. It contains the variable star Mira Ceti

"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

Etymology

Origin of Cetus

From Latin; see origin at cet-

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:

Meet J0107a, an 11.2 billion-year-old monster galaxy located in the constellation Cetus.

From Space Scoop ● Jun. 5, 2025

The replication of minute DNA material has become a signature breakthrough thanks to the dedicated scientists of a little-known corporation called Cetus.

From Washington Post ● Aug. 23, 2019

He left Cetus in 1986 to work at the biotechnology company Xytronyx in San Diego and worked as a freelance consultant thereafter.

From Los Angeles Times ● Aug. 13, 2019

Poseidon was so offended that he created a sea-monster named Cetus to devastate the kingdom.

From Textbooks ● Oct. 13, 2016

And now we come to Map No. 16, representing the constellations Cetus, Pisces, Aries, and the Triangles.

From Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments by Garrett Putman Serviss

The script’s two mysteries — why is Tau Ceti safe and why is Grace not — intertwine in flashbacks that are interesting enough for a while.

From Los Angeles Times ● Mar. 18, 2026

One of them, Tau Ceti f, even orbits at the right distance from the star to potentially be habitable—under a sufficiently broad definition of “habitable,” that is.

From Scientific American ● Oct. 6, 2023

Instead of imprisoning her, Khan, and the other Augments, he exiles them to live out their days on the technology-free planet Ceti Alpha V.

From Salon ● Jul. 1, 2023

In what he called Project Ozma, after the Wizard of Oz, Dr. Drake alternately pointed the telescope at a pair of sunlike stars, Tau Ceti and Epsilon Eridani, each about 11 light-years from Earth.

From New York Times ● Sep. 5, 2022

Our first survey ships to Alpha Centauri and Barnard’s Star, Sirius and Tau Ceti would have returned long ago.

From "Cosmos" by Carl Sagan

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training