Ganymede

American  

[gan-uh-meed] / ˈgæn əˌmid /

noun

1. Classical Mythology. Also Ganymedes a Trojan youth who was abducted by Zeus and taken to Olympus, where he was made the cupbearer of the gods and became immortal.

2. Astronomy. the largest moon of the planet Jupiter.

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Ganymede ¹ British  

/ ˈɡænɪˌmiːd /

noun

1. the brightest and largest of the four Galilean satellites of Jupiter, and the largest in the solar system. Diameter: 5262 km; orbital radius: 1 070 000 km

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Ganymede ² British  

/ ˈɡænɪˌmiːd /

noun

1. classical myth a beautiful Trojan youth who was abducted by Zeus to Olympus and made the cupbearer of the gods

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Ganymede Scientific  

/ găn′ə-mēd′ /

1. One of the four brightest satellites of Jupiter and the seventh in distance from the planet. Originally sighted by Galileo, it is the largest satellite in the solar system.

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Example Sentences

However, the other - Ganymede - is hoped to be in "pretty good condition" with "no sign of water breaching the vessel".

From BBC • Jan. 4, 2026

The two outermost moons, Ganymede and Callisto, are composed of about 50% water ice but likely contain rocky cores rich in elements such as carbon or silicon.

From Science Daily • Oct. 29, 2025

On Sept. 3, 2034, Europa Clipper will intentionally slam into Jupiter’s rocky moon Ganymede, ensuring the spacecraft doesn’t accidentally strike one of the planet’s more scientifically interesting moons.

From Los Angeles Times • Oct. 9, 2024

Astronomers had previously found clear signs of subsurface oceans on only two of Saturn’s moons—Enceladus and Titan—and on Jupiter’s moons Europa and Ganymede.

From National Geographic • Feb. 7, 2024

Internal geological processes slowly deform the surfaces of Venus, Mars, Ganymede and Europa, as well as Earth.

From "Cosmos" by Carl Sagan