Skip to main content
Glite Dictionary
🌋 A volcanic moon 🐄 A Greek myth figure
Io

Io

8 8.4
A small moon of Jupiter that has many active volcanoes
  • proper noun
  • /aɪ.oʊ/
: Ío
  • JBI insists that we get the robots back onto solid rock before Io gets too active.
  • Io torus
  • volcanoes on Io
  • Jupiter and Io

So the question has always been, what is powering this extreme geological activity on IO?

Autoplay Next

Examples

  • Matt saw beauty on Io, where Taylor saw only an engineering challenge.

    Fiction book (2000)

  • Understanding phenomena at Io is therefore essential for evaluating theoretical models that astrophysicists apply elsewhere in the universe.

    Academic text (2000)

  • Evidence of recent eruptions is immediately evident in pictures of Io's surface.

    Academic text (2000)

  • Not so with Io, who was constantly turning herself inside out and churning that sulfur to the surface.

    Fiction book (2000)

  • Internal friction driven by tidal stresses makes Io by far the most active volcanic body in the solar system.

    Academic text (2000)

  • But the ready accessibility of the Io torus for terrestrial observations makes it a uniquely rich object for study.

    Academic text (2000)

  • The kid had the usual wrinkled nose and pained expression of a newcomer unfamiliar with Io's unique aroma.

    Fiction book (2000)

  • Its imaging and spectroscopic capabilities are optimized for viewing emissions from Jupiter's aurora, Io's atmosphere, and the plasma torus itself.

    Academic text (2000)

  • During his mission, Galileo captured stunning images of Io, Jupiter's innermost moon known for its intense volcanic activity.

  • Scientists believe that Io is the most volcanically active world in our solar system, showing continuous eruptions.

Compounds

io moth
  • US
1 9.4

A large yellow moth with big eye spots on its hind wings whose caterpillars have stinging spines

IO device
  • Specialized
1 4.6

A machine like a keyboard or monitor that sends data into and out of a computer

Inachis io
  • Specialized
9.9

A European butterfly with reddish-brown wings and large eye spots often called the peacock butterfly

Surface Forms

Io main

Etymology

Io is the name of one of Jupiter's moons and it comes from a woman in Greek myth who was loved by Zeus, because many of Jupiter's moons are named for his lovers. So remembering that myth helps explain why this small, volcanically active moon has the short name Io.