👉 In the context of mathematics, a boulter is an object that is used to measure quantities such as volume or area. It is often used in physics, engineering, and other fields where it is necessary to accurately represent and compare objects with different dimensions. Boulters are typically made out of thin metal plates or plastic substrates, which have been shaped into various shapes like circles, squares, rectangles, etc., and then coated with a liquid, such as oil or water, that provides the