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
Note, though, that silver's industrial uses, from solar technology and EV manufacturing to medical equipment, are expected to fuel demand in the years ahead.
—
Angelica Leicht, CBS News, 2 Jan. 2026
Just over 50% of this sum was allocated to solar energy and 25% to onshore wind, the African Energy Chamber noted in its latest outlook.
—Preeti Jha, semafor.com, 2 Jan. 2026
Low solar activity has the opposite effect.
—Mike Wall, Space.com, 2 Jan. 2026
Rebuilt following a major fire in 2011 and Hurricane Irma in 2017, the island today operates largely on wind and solar power.
—Abby Montanez, Robb Report, 2 Jan. 2026
See All Example Sentences for solar
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Angelica Leicht, CBS News, 2 Jan. 2026
Just over 50% of this sum was allocated to solar energy and 25% to onshore wind, the African Energy Chamber noted in its latest outlook.
—Preeti Jha, semafor.com, 2 Jan. 2026
Low solar activity has the opposite effect.
—Mike Wall, Space.com, 2 Jan. 2026
Rebuilt following a major fire in 2011 and Hurricane Irma in 2017, the island today operates largely on wind and solar power.
—Abby Montanez, Robb Report, 2 Jan. 2026
See All Example Sentences for solar
Cite this Entry
“Solar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar. Accessed 7 Jan. 2026.
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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