Io

(īō′; for 2, also ēō′)

noun

  1. Gr. Myth. a maiden loved by Zeus and changed into a heifer by jealous Hera or, in some tales, by Zeus to protect her: she is watched by Argus and is driven to Egypt, where she regains human form
  2. the third largest satellite of Jupiter: discovered in 1610 by Galileo and found in 1979 to be volcanically active

Origin: L < Gr

ionium

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See Io in American Heritage Dictionary 4

noun
  1. Greek Mythology A maiden who was loved by Zeus and transformed by Hera into a heifer.
  2. One of the four brightest satellites of Jupiter and the fifth in distance from the planet. It was first sighted by Galileo.

Origin:

Origin: Latin Īō

Origin: , from Greek

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