solar

/ˈsoʊlər/
adjective
  1. Relating to the sun.
    • The solar system includes eight planets orbiting the sun.
    • We watched a solar eclipse from the backyard.
    • Solar energy is a clean and renewable power source.
  2. Using energy from the sun.
    • They installed solar panels on their roof to save electricity.
    • The company is developing new solar technology for homes.
    • This solar calculator works even in dim light.
Antonyms
noun
  1. Energy or power obtained from the sun.
    • Many countries are investing in solar to reduce fossil fuel use.
    • Solar is becoming cheaper and more efficient every year.
    • The farm runs entirely on solar.
What does "solar" mean? | whatsthatwordmean | whatsthatwordmean