Definitions

1. noun

The sun, especially considered as the source of light and heat

“The sol was setting over the horizon as the sky turned pink.”

2. noun

In music, a sol is a note sung or played above the main note, often used to add emphasis or tension

“The singer’s dramatic sol in the opera brought the audience to their feet.”

3. noun

In mathematics, a sol is a solution to an equation or problem

“The mathematician was excited to have found the sol to the complex equation.”