Jovian

¹ American  

[joh-vee-uhn] / ˈdʒoʊ vi ən /

noun

1. Flavius Claudius Jovianus, a.d. 331?–364, Roman emperor 363–364.

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Jovian ² American  

[joh-vee-uhn] / ˈdʒoʊ vi ən /

adjective

1. of or relating to the Roman god Jupiter.

2. of or relating to the planet Jupiter.

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Jovian ¹ British  

/ ˈdʒəʊvɪən /

adjective

1. of or relating to the god Jove (Jupiter)

2. of, occurring on, or relating to the planet Jupiter

3. of or relating to the giant planets Jupiter, Saturn, Uranus, and Neptune

   the Jovian planets

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Jovian ² British  

/ ˈdʒəʊvɪən /

noun

1. full name Flavius Claudius Jovianus. ?331–364 _ad , Roman emperor (363–64): he made peace with Persia, relinquishing Roman provinces beyond the Tigris, and restored privileges to the Christians

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Other Word Forms

• Jovianly
  adverb

Etymology

Origin of Jovian

1520–30; < Latin Jov- ( see Jove) + -ian

Example Sentences

Europa Clipper launched in 2024 and is expected to reach the Jovian system in 2030.

From Science Daily • Dec. 20, 2025

The properties of TOI-6713.01 are perhaps most similar to those of the Jovian moon Io, where scientists recently discovered a lava lake as smooth as glass.

From Salon • May 14, 2024

Each pairing will be unique in its own right, with the moon presenting itself in various phases and orientations next to the Jovian giant.

From National Geographic • Dec. 6, 2023

For distant Callisto, consigned to the outskirts of the Jovian system, Jupiter’s shining youth would have had no effect.

From Scientific American • Apr. 24, 2023

The Jovian moon Europa, as seen by Voyager 2 during close encounter on July 9, 1979.

From "Cosmos" by Carl Sagan