a. [f. Laplace, the name of a celebrated French astronomer and mathematician + -IAN.] Of or pertaining to Laplace; originating with Laplace.
1831. Maxwell, Electr. & Magn., I. 117. When we have to specify a distribution [of electricity] which is at once irrotational and solenoidal, we shall call it a Laplacian distribution; Laplace having pointed out some of the most important properties of such a distribution.
