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solar

adjectivenounnouncommon in dialogue

  • United Kingdom//ˈsəʊ.lə//
  • United States//ˈsoʊ.ləɹ//

Of or pertaining to the sun; proceeding from the sun.

adjective

  1. 1

    Of or pertaining to the sun; proceeding from the sun.

    solar light

    solar rays

    solar influence

  2. 2

    obsoleteBorn under the predominant influence of the sun.

    and proud beside, as solar people are

  3. 3

    Measured by the progress or revolution of the sun in the ecliptic; as, the solar year.

  4. 4

    Produced by the action of the sun, or peculiarly affected by its influence.

    They denominate some herbs solar, and some lunar.

    Nor is solar power yet as cheap as the grid.

  5. 5

    Employing solar power.

    a solar furnace

Etymology

From Late Middle English solar, from Latin sōlāris, from sōl (“sun”), from Proto-Indo-European *sóh₂wl̥ (“sun”).

noun

  1. 1

    A fictional currency used in science fiction.

  2. 2

    Variant of solar energyEllipsis of solar energy.

    He’s a player in robots and solar, cryptocurrency and climate, brain-computer implants to stave off the menace of artificial intelligence and underground tunnels to move people and freight at super speeds.

noun

  1. 1

    historicalA loft or upper chamber forming the private accommodation of the head of the household in a medieval hall; a garret room.

Etymology

From Middle English solar, soler; from a conflation of Old English soler, solere (“raised platform; loft, upper room, upper part of a house, soler”), from Latin sōlārium; and Old English solor, salor (“residence, dwelling; hall; palace”), from Proto-West Germanic *salaʀ, from Proto-Germanic *salaz, *salą (“house, room, hall”). More at sale.

Forms

plural
solars
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).