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io

[ee-oh] /ˈi oʊ/
noun, plural ios.
1.
a small hawk, Buteo solitarius, having two plumage phases and occurring only on the island of Hawaii, where it is a rare species and the only living indigenous bird of prey.
Also called Hawaiian hawk.
Origin
< Hawaiian ʿio

Io

[ahy-oh, ee-oh] /ˈaɪ oʊ, ˈi oʊ/
noun
1.
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.
2.
Astronomy. a large volcanically active moon of the planet Jupiter.

Io

[ahy-oh, ee-oh] /ˈaɪ oʊ, ˈi oʊ/
noun, plural Ios.
1.

Io

Symbol, Chemistry
1.

Io.

1.
Iowa.

I/O

2.
Computers. input/output.

I.O.

1.
indirect object.
Also, IO, i.o.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for io

io

abbreviation
1.
British Indian Ocean Territory

Io1

/ˈaɪəʊ/
noun
1.
(Greek myth) a maiden loved by Zeus and turned into a white heifer by either Zeus or Hera

Io2

/ˈaɪəʊ/
noun
1.
the innermost of the four Galilean satellites of Jupiter, displaying intense volcanic activity. Diameter: 3640 km; orbital radius: 422 000 km

Io3

Chemical symbol
1.
ionium

I/O

abbreviation
1.
input/output
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
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Word Origin and History for io

Io

in Greek mythology, daughter of the river god Inachus, she was pursued by Zeus and consequently changed into a heifer. The Jovian moon was discovered in 1610 and named for her by Galileo.

Online Etymology Dictionary, © 2010 Douglas Harper
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io in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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io in Technology

humor, abuse
Idiotic operator.
(2003-05-15)

networking
The country code for British Indian Ocean territory.
(1999-01-27)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Related Abbreviations for io

IO

intraocular

I/O

input/output
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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