solar

About 14.76 uses per million words.

Meaning

adjective Of or pertaining to the sun; proceeding from the sun.
solar light
adjective Born under the predominant influence of the sun.
adjective Measured by the progress or revolution of the sun in the ecliptic; as, the solar year.
adjective Produced by the action of the sun, or peculiarly affected by its influence.
adjective Employing solar power.
a solar furnace
noun Ellipsis of solar energy.
noun A fictional currency.
noun A loft or upper chamber forming the private accommodation of the head of the household in a medieval hall; a garret room.