from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A differential equation containing at least one partial derivative.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a differential equation that involves the partial derivatives of a function of several variables
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a differential equation involving a functions of more than one variable
Sorry, no etymologies found.