Einstein: Meaning and Definition of

Ein•stein

Pronunciation: (īn'stīn Ger. īn'shtīn&sec), [key]
— n.
  1. 1879–1955, German physicist, U.S. citizen from 1940: formulator of the theory of relativity; Nobel prize 1921.
  2. 1880–1952, German musicologist in U.S.
  3. (l.c.)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.
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