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

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 Blavor solar charging bank earns its place because the solar backup adds useful insurance during long days away from plug points, and Cannes generally never has enough plug points for that week of excess demand. —Kate Hardcastle, Forbes.com, 19 June 2026

Producer Kartikeya Narayan Singh said the production team extended its environmental concerns to the shoot itself, forgoing plastic materials and running the entire operation on solar power. —Naman Ramachandran, Variety, 19 June 2026

At that time, engineers were racing to piece together the Link satellite from a mix of structural components, fuel tanks, solar arrays, thrusters, and robotic arms designed to grab onto Swift more than 200 miles above the planet. —Stephen Clark, ArsTechnica, 19 June 2026

In fact, Swift may be one big solar storm away from doom if the sun fires off a major storm before Katalyst's Link can reach it. —Tariq Malik, Space.com, 19 June 2026

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing solar

• mean solar day
• solar battery
• solar cell
• solar collector
• solar constant
• solar day
• solar eclipse
• solar farm
• solar flare
• solar mass
• solar panel
• solar park
• solar plexus
• solar pond
• solar sail
• solar system
• solar wind

Rhymes for solar

• bowler
• dolor
• molar
• polar
• roller
• soler
• stroller
• troller
• volar
• ambipolar
• areolar
• bronchiolar

Kids 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

Etymology

Middle English solar "derived from or related to the sun," from Latin solaris (same meaning), from sol "sun" — related to sunday see Word History at sunday