(in Roman tradition) the king and ruler of the Olympian gods
WordReference Random House Unabridged Dictionary of American English © 2025
Ju•pi•ter
( jo̅o̅′pi tər),USA pronunciation n.
- MythologyAlso called Jove. the supreme deity of the ancient Romans: the god of the heavens and of weather. Cf. Zeus.
- Astronomythe planet fifth in order from the sun, having an equatorial diameter of 88,729 mi. (142,796 km), a mean distance from the sun of 483.6 million mi. (778.3 million km), a period of revolution of 11.86 years, and at least 14 moons. It is the largest planet in the solar system. See table under planet.
- Militarya medium-range U.S. ballistic missile of the 1950s, powered by a single liquid-fueled rocket engine.
Collins Concise English Dictionary © HarperCollins Publishers::
the largest of the planets and the fifth from the sun. It has 95 satellites and is surrounded by a transient planar ring system consisting of dust particles. Mean distance from sun: 778 million km; period of revolution around sun: 11.86 years; period of axial rotation: 9.83 hours; diameter and mass: 11.2 and 317.9 times that of earth respectively
'Jupiter' also found in these entries (note: many are not synonyms or translations):
Amalthea
- Ammon
- Ananke
- Barnard
- Callisto
- Capitol
- Capitoline
- Carme
- Elara
- Europa
- Galilean satellites
- Galileo
- Ganymede
- Great Red Spot
- Hammon
- Himalia
- Jove
- Jovian
- Jovian planet
- Juno
- Jupiter's-beard
- Leda
- Lysithea
- Munro
- Ops
- Pasiphaë
- Pisces
- Red Spot
- Sagittarius
- Sinope
- Trojan group
- Voyager
- Zeus
- ammonite
- asteroid
- asteroid belt
- compute
- descend
- gas giant
- io
- jet stream
- jovial
- juglandaceous
- magnetosphere
- mercury
- moon
- outer planet
- planet
- quadrigatus
- red valerian