Definition of Smithsonian Institution in English:

Smithsonian Institution

proper noun

  • A US foundation for education and scientific research in Washington DC, opened in 1846 and now responsible for administering many museums, art galleries, and other establishments. It originated in a £100,000 bequest in the will of the English chemist and mineralogist James Smithson (1765–1829).

Pronunciation:

Smithsonian Institution

/smɪθˈsəʊnɪən/