1. relating to or derived from the sun
2. powered by energy from the sun

Examples

• The solar system consists of the sun and all the planets that orbit it.
• Solar panels on the roof generate electricity for the house.
• A solar eclipse occurs when the moon passes between Earth and the sun.
• Solar energy is a clean, renewable source of power.
• The solar calendar is based on the Earth’s revolution around the sun.
• Solar radiation provides heat and light to our planet.
• Many calculators now use solar cells instead of batteries.