from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The geometric theory of gravitation developed by Albert Einstein, incorporating and extending the theory of special relativity to accelerated frames of reference and introducing the principle that gravitational and inertial forces are equivalent.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A theory extending special relativity and uniformly accounting for gravity and accelerated frames of reference, postulating that space-time curves in the presence of mass.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a generalization of special relativity to include gravity (based on the principle of equivalence)
Sorry, no etymologies found.
Building on the concept of the quanta, in 1923, almost a decade after Einstein published his general relativity theory no longer a theory; now it is a law, the French physicist Louis de Broglie introduced an idea that was even more bizarre in its assertions than Einstein’s claim that matter really was a form of energy.