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

In fact, the exoplanet (or, planet outside of our solar system) was located 450 light-years away from Earth, still resting in the swirling gas and dust where it was born. — Chelsea Gohd, Space.com, 17 Sep. 2026

The thousands of exoplanets scientists have discovered so far are not an unbiased sample of all the planets in our galaxy. — Thomas Fauchez, The Conversation, 14 Sep. 2026

In recent decades, technological advances have vastly expanded our knowledge of the universe and led to the discovery of thousands of exoplanets. — The New Yorker, New Yorker, 7 Sep. 2026

Its survey will produce huge amounts of data and could solve several cosmic mysteries, with potential achievements ranging from understanding dark energy to detecting exoplanets—and finding some things astronomers don’t even know about yet. — Mary Randolph, Scientific American, 1 Sep. 2026

Word History

First Known Use

1992, in the meaning defined above

Rhymes for exoplanet

• pomegranate
• gannet
• granite
• planet
• intranet