Definitions

1. noun

The length of a curve, especially the length of an arc of a circle.

“The arclength of the Earth’s equator is approximately 40,075 kilometers.”

2. noun

In calculus, the arc length of a curve is a measure of the distance along the curve.

“To calculate the arclength of a function, we need to use the formula: arclength = ∫√((dx/dt)^2 + (dy/dt)^2) dt.”