solar
solar — adjective
1. relating to the sun itself, or using the light and heat that come from the sun a
relating to the sun itself, or using the light and heat that come from the sun as a source of power
The Hao family put solar panels on their roof last spring.
collocation: solar panels
Students at Meera's school watched the solar eclipse through special glasses.
Luca heats his home with solar energy to save on electricity bills.
collocation: solar energy + verb 'heats'
The town library runs entirely on solar power from rooftop panels.
collocation: solar power
- solar panel
- solar energy
- solar power
- solar system
- solar eclipse
- solar wind
- solar cell
- solar radiation
- sun-powered
more specific to devices that operate on sunlight, and less formal; used mainly for energy contexts rather than astronomy
- photovoltaic
technical term describing the direct conversion of sunlight into electricity; narrower than solar and not used for astronomy
Grammar Patterns
solar + noun
Usage Note
Solar is a classifying adjective and is usually placed directly before a noun. It has no comparative or superlative forms (no 'solarer' or 'most solar').