exoplanet

noun

exo·​plan·​et ˈek-sō-ˌpla-nət 

ˌek-sō-ˈpla-

: a planet orbiting a star that is not our sun

Examples of exoplanet in a Sentence

Recent Examples on the Web

The extrasolar planet, or exoplanet, in question is 51 Eridani b (51 ERI b), a gas giant with the same mass as around 11 Jupiters that orbits a star located around 97 light-years away. — Robert Lea, Space.com, 6 Nov. 2026

The result was the sight of a giant exoplanet that could not be seen without the method being used. — Adam Harrington, CBS News, 4 Nov. 2026

The model could help astronomers identify atmospheric signals on rocky exoplanets that cannot be explained by geological and other non-biological processes. — Neetika Walter, Interesting Engineering, 3 Nov. 2026

If there is indeed an exoplanet circling TIC 4206066, Rabtsevich may not actually be the first to have seen it. — Adam Kovac, Scientific American, 14 Oct. 2026

Word History

First Known Use

1992, in the meaning defined above

Rhymes for exoplanet

• pomegranate
• gannet
• granite
• planet
• intranet