Pronunciation: (īn'stīn; Ger. īn'shtīn"), [key]
1. Al•bert Pronunciation: (al'burt; Ger. äl'bert), [key] 1879–1955, German physicist, U.S. citizen from 1940: formulator of the theory of relativity; Nobel prize 1921.
2. Al•fred Pronunciation: (al'frid; Ger. äl'fret), [key] 1880–1952, German musicologist in U.S.
3. (l.c.) Physics, Chem.a unit of radiant energy, equal to the energy of radiation that is capable of photochemically changing one mol of a photosensitive substance.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

einkornEinstein equation
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