Dictionary.com
Thesaurus.com

Callisto

American  
[kuh-lis-toh] / kəˈlɪs toʊ /

noun

  1. Classical Mythology. Also Kallisto a nymph attendant on Artemis, punished for a love affair with Zeus by being changed into a bear and then transformed into stars as the constellation Ursa Major.

  2. Astronomy. a large natural satellite of the planet Jupiter.


Callisto 1 British  
/ kəˈlɪstəʊ /

noun

  1. Greek myth a nymph who attracted the love of Zeus and was changed into a bear by Hera. Zeus then set her in the sky as the constellation Ursa Major

"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

Callisto 2 British  
/ kəˈlɪstəʊ /

noun

  1. the second largest (but faintest) of the four Galilean satellites of Jupiter, discovered in 1610 by Galileo. Approximate diameter: 4800 km; orbital radius: 1 883 000 km See also Galilean satellite

"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

Callisto Scientific  
/ kə-lĭstō /
  1. One of the four brightest satellites of Jupiter and the eighth in distance from the planet. Originally sighted by Galileo, it is the largest planetary satellite.


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:

Iason Bantios, spokesperson for the Callisto wildlife group, said animal damage to crops and livestock "is a longstanding issue".

From Barron's Jul. 9, 2026

Before the collision, Proto-Titan may have resembled Jupiter's moon Callisto, heavily cratered and lacking an atmosphere.

From Science Daily Feb. 27, 2026

Those moons are Callisto, Europa and Ganymede, the largest moon in the solar system.

From Seattle Times May 12, 2023

For distant Callisto, consigned to the outskirts of the Jovian system, Jupiter’s shining youth would have had no effect.

From Scientific American Apr. 24, 2023

Voyager approaches Jupiter with the moons Io and Callisto in foreground.

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