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Io

proper nounattested in dialogue

  • United Kingdom//ˈaɪəʊ//
  • United States//ˈaɪoʊ//

The daughter of Inachus river god, and a lover of Zeus, turned by the latter into a heifer.

proper noun

  1. 1

    The daughter of Inachus river god, and a lover of Zeus, turned by the latter into a heifer.

  2. 2

    A moon of Jupiter, known for its volcanic activity, peppered with about 400 active volcanoes.

    A mottled blanket of debris from many active volcanoes gives Io the youngest surface in the solar system.

    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

Etymology

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

The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).