d'Alembert operator (English, noun)
expansion: d'Alembert operator (plural d'Alembert operators)
Senses:
topics: natural-sciences
physical-sciences
physics
glosses: A differential operator which may be expressed as ∂_μ∂^μ=∑_(μ=0)³∂/∂x^μ∂/∂x_μ; it is the four-dimensional (Minkowski space) equivalent of the three-dimensional Laplace operator.
Forms:
form: d'Alembert operators
tags: plural