Einstein

  1. Proper noun.  Albert Einstein, the world-famous 20th Century theoretical physicist who developed the theory of relativity.
  2. Proper noun.  (surname) .
  3. Noun.  An extremely clever or intelligent person.
  4. Noun.  (''photochemistry'') One mole of photons, regardless of frequency, as used to measure irradiance.

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This entry was last updated on RefTopia from its source on 3/20/2012.