solar energy
Americannoun
noun
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The radiant energy emitted by the Sun.
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Energy derived from the Sun's radiation. Passive solar energy can be exploited through architectural design, as by positioning windows to allow sunlight to enter and help heat a space. Active solar energy involves the conversion of sunlight to electrical energy, especially in solar (photovoltaic) cells.
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See also solar cell
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The term solar energy often refers to processes that use this energy to generate heat or electricity for human use. (See solar cells.)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The findings could also encourage further research combining singlet fission and metal complexes, with potential uses not only in solar energy but also in LEDs and emerging quantum technologies.
From Science Daily • Mar. 28, 2026
As well as changes to requirements for new-builds, the government wants to make it easier for those in existing homes in the UK, particularly those in flats, to access solar energy.
From BBC • Mar. 23, 2026
We expect solar energy and cybersecurity companies to have strong secular earnings-growth tailwinds.
From Barron's • Mar. 19, 2026
Gov. Winsome Earle-Sears last year, including vows to expand solar energy projects and technologies such as fusion, geothermal and hydrogen.
From Los Angeles Times • Feb. 24, 2026
Each assemblage is poised in the flow of solar energy, tapping off energy from metabolic surrogates of the sun.
From "The Lives of a Cell" by Lewis Thomas
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.