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solar

SOH-lur/ˈsoʊlə(ɹ)/UKSOH-luh/ˈsəʊlə/

Noun pluralsolars (some meanings)

7 meanings of solar

Practice

  1. 1
    adjective
    Having to do with the sun, or coming from the sun.

    The solar wind carries tiny charged particles far past the planets.

    Scientists watch how solar activity changes the weather in space.

    Note
  2. 2
    adjective
    Powered by energy that comes from the sun.

    They put solar panels across the whole roof last summer.

    The village runs on a solar grid that stores extra power in batteries.

  3. 3
    noununcountable
    Power that comes from the light and heat of the sun.

    Many homeowners now rely on solar to cut their electricity bills.

    The company switched to solar after the price of panels dropped.

    Note
  4. 4
    adjective
    Measured by the way the sun appears to move across the year.

    A solar year is the time the Earth takes to circle the sun once.

    Their calendar follows the solar year, not the phases of the moon.

  5. 5
    adjective
    Caused by the sun, or strongly changed by its action.

    The solar heat of midday baked the clay bricks hard.

    Years of solar exposure had bleached the old wooden door.

    Note
  6. 6
    nounhistoricalcountable
    A private upper room for the head of the household in a medieval hall.

    Like a private upstairs bedroom, set apart from the busy main room everyone shares.

    The lord climbed the stairs to his solar to rest away from the noisy hall.

    From the solar window, she watched the busy courtyard below.

    Note

Less common meaning

  1. 7
    adjectiveobsolete
    In old star-reading, born when the sun held the most power over a person's life.

    Like calling someone a 'sun person' because the sun ruled the day they were born.

    The astrologer declared the prince a solar child, fated for greatness.

    and proud beside, as solar people are
    1700, [John] Dryden, “The Cock and the Fox: Or, The Tale of the Nun’s Priest, from Chaucer”Here, solar means born under the sun's influence, in astrology.
    Note

Practice

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Origins

Meanings 1–5, 7

From Latin sōlāris, from sōl meaning "sun".

Meaning 6

From Middle English solar, a mix of two Old English words: soler ("upper room, loft"), from Latin sōlārium, and solor ("dwelling, hall").