1
: of, derived from, relating to, or caused by the sun
2
: measured by the earth's course in relation to the sun
a solar year
also
: relating to or reckoned by solar time
3
a
: produced or operated by the action of the sun's light or heat
solar energy
b
: utilizing the sun's rays especially to produce heat or electricity
a solar house
also
: of or relating to such utilization
solar design
Examples of solar in a Sentence
Recent Examples on the Web
California and many other states have also embraced wind and solar power while prematurely retiring perfectly operational coal and nuclear power plants.
—
Chris Talgo, Boston Herald, 13 July 2025
The new law largely dismantles the 2022 Inflation Reduction Act, President Biden’s landmark budget bill, phasing out tax credits for wind and solar power much sooner than planned.
—Justin Worland, Time, 11 July 2025
Otherwise, get ready to celebrate, as your solar season starts on July 22.
—Valerie Mesa, People.com, 10 July 2025
Princeton University professor Jesse Jenkins estimates that the bill will mean wind and solar power generate 820 fewer terawatt-hours in 2035 than under previous policies.
—Daniel Cohan, The Conversation, 9 July 2025
See All Example Sentences for solar
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Chris Talgo, Boston Herald, 13 July 2025
The new law largely dismantles the 2022 Inflation Reduction Act, President Biden’s landmark budget bill, phasing out tax credits for wind and solar power much sooner than planned.
—Justin Worland, Time, 11 July 2025
Otherwise, get ready to celebrate, as your solar season starts on July 22.
—Valerie Mesa, People.com, 10 July 2025
Princeton University professor Jesse Jenkins estimates that the bill will mean wind and solar power generate 820 fewer terawatt-hours in 2035 than under previous policies.
—Daniel Cohan, The Conversation, 9 July 2025
See All Example Sentences for solar
Cite this Entry
“Solar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar. Accessed 21 Jul. 2025.
Copy CitationKids Definition
solar
adjective
so·lar
ˈsō-lər 
-ˌlär
1
: of, derived from, relating to, or caused by the sun
2
: measured by the earth's course in relation to the sun
solar time
solar year
3
a
: produced or operated by the action of the sun's light or heat
solar energy
b
: using the sun's rays especially to produce heat or electricity
a solar house
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