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1. Greek Mythology A maiden who was loved by Zeus and transformed by Hera into a heifer.
2. One of the four brightest satellites of Jupiter. It was first sighted by Galileo.
[Latin Īō, from Greek.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
the internet domain name for
(Computer Science) British Indian Ocean Territory
(Classical Myth & Legend) Greek myth a maiden loved by Zeus and turned into a white heifer by either Zeus or Hera
(Celestial Objects) the innermost of the four Galilean satellites of Jupiter, displaying intense volcanic activity. Diameter: 3640 km; orbital radius: 422 000 km
the chemical symbol for
(Elements & Compounds) ionium
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
I•o(ˈaɪ oʊ, ˈi oʊ)
1. (in Greek myth) a woman loved by Zeus and changed by him into a heifer, which Hera claimed and put under Argus' guardianship.
2. a large volcanically active moon of Jupiter.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||Io - (Greek mythology) a maiden seduced by Zeus; when Hera was about to discover them together Zeus turned her into a white heifer|
Greek mythology - the mythology of the ancient Greeks
|2.||Io - the closest of Jupiter's moons; has active volcanoes|
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