I.O.
1 Americanabbreviation
noun
PLURAL
iosnoun
PLURAL
Iosnoun
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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.
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Astronomy. a large volcanically active moon of the planet Jupiter.
abbreviation
symbol
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012abbreviation
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012noun
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012abbreviation
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012noun
"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-
One of the four brightest satellites of Jupiter and the fifth in distance from the planet. It was first sighted by Galileo.
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See Note at moon
Etymology
Origin of io
From Hawaiian ʿio
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.
We were getting ready to put it out in I/O and talk about it.
From New York Times
The 2020 Mac Mini, though it did have two USB-As, was a significant I/O downgrade from previous Mac Mini models.
From The Verge
Google’s Project Jacquard touch-sensitive fabric technology, first revealed at Google I/O in 2015, now has a way for interested third-party developers to integrate the tech with their own software via the new Jacquard SDK.
From The Verge
Its front I/O has a headphone jack and a lone USB-C port.
From The Verge
A recent study by I&O Research found around a third of cafes and restaurants in the Netherlands were not scanning the coronapasses.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.