Io

¹

[ ahy-oh, ee-oh ]

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

²

[ ahy-oh, ee-oh ]

noun

, plural I·os.

1. Io moth.

Io

³

Symbol, Chemistry.

1. ionium.

io

⁴

or 'i·o

[ ee-oh ]

noun

, plural i·os.

1. 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.

⁵

abbreviation for

1. Iowa.

I/O

⁶

1. inboard-outboard.
2. Computers. input/output.

I.O.

⁷

or IO, i.o.

abbreviation for

1. indirect object.

Io

¹

/ ˈaɪəʊ /

noun

1. Greek myth a maiden loved by Zeus and turned into a white heifer by either Zeus or Hera

Io

²

/ ˈaɪəʊ /

noun

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

io

³

the internet domain name for

1. British Indian Ocean Territory

Io

⁴

the chemical symbol for

1. ionium

I/O

⁵

abbreviation for

1. input/output

Io

/ ī′ō,ē′ō /

1. One of the four brightest satellites of Jupiter and the fifth in distance from the planet. It was first sighted by Galileo.
2. See Note at moon

Word History and Origins

Origin of Io¹

From Hawaiian ʿio

Example Sentences

All such finds are evaluated for use “ in an information operation (IO) campaign to mold public opinion.”

From The Daily Beast

Taurus draws on the myth of Io, the nymph who was turned into a snow-white cow.

From The Daily Beast

At l. 568 of the same book begins the story of the love of Jupiter for Io.

From Project Gutenberg

In the final vowels io, we have the same term, with the same meaning which they carry in the Seneca, or old Mingo word Ohio.

From Project Gutenberg

Ed io che intesi ci che non dicevi,M'innamorai di te perch tacevi.

From Project Gutenberg

Then she carried out her revenge by sending an enormous gadfly to torment poor Io, who was still in the form of a heifer.

From Project Gutenberg

Reluctantly the ruler of the gods agreed to this demand, and Io became once more a beautiful maiden.

From Project Gutenberg