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
The need for those datacenters to have 99.999% uptime means that the preferred rent-seeking client industries of the Biden era – wind and solar – cannot fill the bill.
—
David Blackmon, Forbes.com, 26 May 2025
Since much of the US's new generating capacity is solar power, that has led to a boom in solar production to start the year in recent years.
—John Timmer, ArsTechnica, 23 May 2025
Notably among them is natural gas, while wind and solar have been gradually increasing their contributions.
—Ignacio Calderon, USA Today, 23 May 2025
That’s significant, especially as renewable energy sources like wind and solar continue to grow.
—Melanie Marshall, San Diego Union-Tribune, 22 May 2025
See All Example Sentences for solar
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David Blackmon, Forbes.com, 26 May 2025
Since much of the US's new generating capacity is solar power, that has led to a boom in solar production to start the year in recent years.
—John Timmer, ArsTechnica, 23 May 2025
Notably among them is natural gas, while wind and solar have been gradually increasing their contributions.
—Ignacio Calderon, USA Today, 23 May 2025
That’s significant, especially as renewable energy sources like wind and solar continue to grow.
—Melanie Marshall, San Diego Union-Tribune, 22 May 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 3 Jun. 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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