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Meaning of Smithsonian Institution

Smith•so'ni•an Institu'tion

Pronunciation: (smith-sō'nē-un), [key]
  1. an institution in Washington, D.C., founded 1846 with a grant left by James Smithson, for the increase and diffusion of knowledge: U.S. national museum and repository.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.