smooth (1) Infinitely differentiable; possessing infinitely many derivatives. For example, sin(x) is a smooth function, while |x|3 is not. More complicated mathematical objects such as manifolds are called smooth if they are defined or described by smooth functions. (2) Continuously differentiable; possessing a continuous tangent or derivative. . Related category CALCULUS AND ANALYSIS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |