I bought some fresh borecoles from the market.

The endless meetings at work are causing me so much boredoms.

I can't stand the boredness of staying at home all day.

The Borel σ-algebra is a fundamental concept in measure theory.

A Borel set is a set in a topological space that can be formed from open sets through countable unions, countable intersections, and complements.

The function f(x) is Borel measurable.

The Borel function is used to analyze the convergence of power series.

The Borel measure of a set is a way to assign a size or volume to the set.

Boreas is the Greek god of the north wind.

Boreas was the god of the North Wind in Greek mythology.