Io

//ˈaɪəʊ// adj, intj, name, noun

Definitions

Adjective
  1. 1
    Abbreviation of intraosseous. abbreviation, alt-of
Intj
  1. 1
    An exclamation of joy or triumph. rare

    "Do as thou wilt, as a great god can, O Pan! Io Pan! Io Pan! Io Pan Pan! I am awake In the grip of the snake."

Proper Noun
  1. 1
    The daughter of Inachus river god, and a lover of Zeus, turned by the latter into a heifer. Greek
  2. 2
    A moon of Jupiter, known for its volcanic activity, peppered with about 400 active volcanoes.

    "Another whisper, sir, near Io. We have probes en route."

  3. 3
    85 Io, a main belt asteroid; the asteroid shares its name with the Jovian moon
Noun
  1. 1
    Initialism of input and output. abbreviation, alt-of, countable, initialism, uncountable
  2. 2
    A type of moth, the io moth.

    "These lines appear to serve as roadways or guides to any stragglers that may have hung back for some reason known only to an io."

  3. 3
    Initialism of indirect object. abbreviation, alt-of, countable, initialism, uncountable
  4. 4
    Initialism of intelligence officer. abbreviation, alt-of, countable, initialism, uncountable
  5. 5
    Initialism of investigation officer. Singapore, abbreviation, alt-of, countable, initialism, uncountable
Show 1 more definition
  1. 6
    Initialism of international organization. abbreviation, alt-of, countable, initialism, uncountable

Etymology

Etymology 1

From New Latin, from Ancient Greek Ἰώ (Iṓ, “Io”).

Etymology 2

From Latin iō; compare Ancient Greek ἰώ (iṓ, “oh!”).

Etymology 3

Borrowed from Latin Io, from Ancient Greek Ἰώ (Iṓ).

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