sun·​beam | \ ˈsən-ˌbēm How to pronounce sunbeam (audio) \

Definition of sunbeam

: a ray of sunlight

Examples of sunbeam in a Sentence

Recent Examples on the Web Spring humidity hangs in the air as sunbeams poke through the tree canopy. Matt Blitz, Washington Post, "D.C.’s official bird, the wood thrush, has been disappearing from these parts," 13 Apr. 2020 But alien sunbeams are not the only type of interstellar messenger. Charlie Wood, Popular Science, "Ancient supernovas may have pierced moon rocks with star shrapnel," 30 Apr. 2020 The long entrance, sheltered by cedar planks, stops at a sunbeam yellow front door, which is framed in steel with glass above and to the side. oregonlive, "Restored Scandinavian midcentury modern in Southwest Portland showcases soothing spaces," 22 Mar. 2020 The telecast’s hosts, Carrie Underwood, Reba McEntire and Dolly Parton, opened the show belting sunbeams. Chris Richards, Washington Post, "Women aren’t the future of country music. They’re the present.," 14 Nov. 2019 When sunbeams warm an asteroid, that energy is later released as infrared radiation (think of how heat-vision goggles can spot warm humans), causing a recoil that’s miniscule but adds up over time. Charlie Wood, Popular Science, "Asteroids go to pieces when their host star dies," 12 Feb. 2020 LightSail 2 is not humanity’s first success at sailing on sunbeams. Charlie Wood, Popular Science, "LightSail 2′s success could pave the way for more sun-powered spacecrafts," 23 Jan. 2020 There’s the lion slipping through sunbeams in Mozambique’s Gorongosa National Park, a swirl of sea turtles that looks almost like abstract art, and those bare-chested men on a Pakistani beach. National Geographic, "The best unpublished photos of 2019," 19 Dec. 2019 Each of these robotic heliotropes are at the beck and call of an algorithmic conductor, which directs them to focus their sunbeams toward a small target on the tower. Wired, "A Solar 'Breakthrough' Won't Solve Cement's Carbon Problem," 22 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sunbeam.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sunbeam

before the 12th century, in the meaning defined above

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Time Traveler for sunbeam

Time Traveler

The first known use of sunbeam was before the 12th century

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Cite this Entry

“Sunbeam.” Dictionary, Merriam-Webster, Accessed 29 Oct. 2020.

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More Definitions for sunbeam


How to pronounce sunbeam (audio)

English Language Learners Definition of sunbeam

: a ray of sunlight


sun·​beam | \ ˈsən-ˌbēm How to pronounce sunbeam (audio) \

Kids Definition of sunbeam

: a ray of sunlight

More from Merriam-Webster on sunbeam

Thesaurus: All synonyms and antonyms for sunbeam

Nglish: Translation of sunbeam for Spanish Speakers

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