solar

adjective so·lar \ ˈsō-lər , -ˌlär \

Definition of solar

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

Recent Examples of solar from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'solar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of solar

Middle English, from Latin solaris, from sol sun; akin to Old English & Old Norse sōl sun, Lithuanian saulė, Greek hēlios

Other Energy Engineering Terms



SOLAR Defined for English Language Learners

solar

adjective

Definition of solar for English Language Learners

  • : of or relating to the sun

  • : produced by or using the sun's light or heat


SOLAR Defined for Kids

solar

adjective so·lar \ ˈsō-lər \

Definition of solar for Students

1 :of or relating to the sun
  • a solar eclipse
2 :measured by the earth's course around the sun
  • a solar year
3 :produced or made to work by the action of the sun's light or heat
  • solar energy


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