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
Discover More
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.
Nearly 50% of Nuveen Green Capital’s deployment activity is focused on new construction, with the rest being allocated to building retrofits for things like solar energy upgrades.
From The Wall Street Journal ● Aug. 25, 2026
In 2011, a solar energy manufacturer named Solyndra declared bankruptcy.
From Slate ● Jul. 27, 2026
Without soil moisture to evaporate, solar energy goes entirely into baking the ground, thereby amplifying temperatures.
From BBC ● Jul. 2, 2026
The logic is seductive: Launch the data centers into orbit, where solar energy is abundant and land, water and local power grids are no longer constraints.
From Science Daily ● Jun. 19, 2026
She’s got a weapon that if necessary can convert solar energy into deadly rays of power, so that could last indefinitely.
From "Catching Fire" by Suzanne Collins
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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.