solar system

noun

: the sun together with the group of celestial bodies that are held by its attraction and revolve around it
also : a similar system centered on another star

Examples of solar system in a Sentence

Recent Examples on the Web
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One question that scientists have puzzled over for years is whether Venus always lacked a moon, or if the hottest planet in the solar system once had a natural satellite and somehow lost it. Robert Lea, Space.com, 8 Sep. 2026 Both probes will collect and transmit to Earth data about the atmospheric composition and characteristics of the solar system’s two most massive planets. Richard Tribou, The Orlando Sentinel, 7 Sep. 2026 The house has a metal roof, extensive stone construction, a roughly 38-kilowatt solar system and 10 Tesla batteries. David Caraccio, Sacbee.com, 5 Sep. 2026 The prototype was assembled on location, installed outdoors, and left in place over several nights while its solar system charged the batteries. Atharva Gosavi, Interesting Engineering, 4 Sep. 2026 See All Example Sentences for solar system

Word History

First Known Use

circa 1704, in the meaning defined above

Time Traveler
The first known use of solar system was circa 1704

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Cite this Entry

“Solar system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20system. Accessed 10 Sep. 2026.

Kids Definition

solar system

noun
: a star with the group of heavenly bodies that revolve around it
especially : the sun with the planets, moons, asteroids, and comets that orbit it

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