Callisto

[ kuh-lis-toh ]
/ kəˈlɪs toʊ /

noun

Also Kal·lis·to .Classical Mythology. 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.
Astronomy. a large natural satellite of the planet Jupiter.

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British Dictionary definitions for Callisto (1 of 2)

Callisto1
/ (kəˈlɪstəʊ) /

noun

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

British Dictionary definitions for Callisto (2 of 2)

Callisto2
/ (kəˈlɪstəʊ) /

noun

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 kmSee 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

Scientific definitions for Callisto

Callisto
[ kə-lĭstō ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.