Laplacian
The Century Dictionary and Cyclopedia
Pertaining to Pierre Simon de Laplace, a great French astronomer and mathematician (1749–1827).
noun.
A Laplace's coefficient; a form P
m
(cos γ), where γ stands for the angle between
r
and the radius vector
r
1
of some fixed point.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Alternative capitalization of
Laplacian
Word Usage
"I recognize words such as "laplacian" from electromagnetics, but really only have a vague understanding of the actual concepts."
suggests
Laplacian