Mach's principle

Etymology
Named after German physicist, to whom the hypothesis is often attributed. Coined by, who sought to incorporate the hypothesis into his theory of general relativity.

Proper noun

 * 1)  The principle that the inertia of a body arises from its relation to the totality of all other bodies in the universe.
 * 2) * 1988, J. V. Narlikar, A. K. Kembhavi, Nonstandard Cosmologies, Vittorio Canuto, Bruce G. Elmegreen (editors), Handbook of Astronomy, Astrophysics and Geophysics, Volume II: Galaxies and Cosmology, Gordon and Breach, page 390,
 * We now discuss a theory of gravitation and cosmology which is perhaps more strongly rooted in Mach's principle than any other theory discussed so far.

Translations

 * Catalan: principi de Mach
 * Finnish: Machin periaate
 * German: Machsches Prinzip, Mach-Prinzip
 * Italian: principio di Mach