Outrageously Funny Word Dictionary :: Frustules

👉 A frustum of a cone is an oblique three-dimensional shape formed by cutting a cone at its vertex. The two halves are called the "upper" and "lower" cones, with the "upper" part being closer to the base (the point where the axis meets) than the lower part. Frustules are similar to frustums but are not circular in shape. They have a curved surface that is formed by cutting the cone at its vertex or by using a tool like a

frustules