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Io
1[ ahy-oh, ee-oh ]
noun
- Classical Mythology. a woman who, being loved by Zeus, was transformed into a white heifer and was, at the wish of Hera, first guarded by Argus and later pursued through the world by a gadfly until she reached Egypt, where she resumed her true shape: identified by the Egyptians with Isis.
- Astronomy. a large volcanically active moon of the planet Jupiter.
Io
2[ ahy-oh, ee-oh ]
noun
, plural I·os.
Io
3Symbol, Chemistry.
io
4or 'i·o
[ ee-oh ]
noun
, plural i·os.
- a small, solitary hawk, Buteo solitarius, having two plumage phases and breeding only on the Island of Hawaii, where it is a rare species and the only indigenous bird of prey: classified as near threatened.
Io.
5abbreviation for
- Iowa.
I/O
6- Computers. input/output.
I.O.
7or IO, i.o.
abbreviation for
- indirect object.
Io
1/ ˈaɪəʊ /
noun
- Greek myth a maiden loved by Zeus and turned into a white heifer by either Zeus or Hera
Io
2/ ˈaɪəʊ /
noun
- the innermost of the four Galilean satellites of Jupiter, displaying intense volcanic activity. Diameter: 3640 km; orbital radius: 422 000 km
io
3the internet domain name for
- British Indian Ocean Territory
Io
4the chemical symbol for
- ionium
I/O
5abbreviation for
- input/output
Io
/ ī′ō,ē′ō /
- One of the four brightest satellites of Jupiter and the fifth in distance from the planet. It was first sighted by Galileo.
- See Note at moon
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Word History and Origins
Origin of Io1
From Hawaiian ʿio
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