Definition of Smithsonian Institution in English:
Smithsonian Institution
proper nounsmɪθˈsəʊnɪənˌsmɪθˌsoʊniən ˌɪnstəˈt(j)uʃ(ə)n
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).
Definition of Smithsonian Institution in US English:
Smithsonian Institution
proper nounˌsmɪθˌsoʊniən ˌɪnstəˈt(j)uʃ(ə)nˌsmiTHˌsōnēən ˌinstəˈt(y)o͞oSH(ə)n
A foundation for scientific research, established in 1836 and based in Washington, DC. It operates more than a dozen museums and institutes in Washington and other cities. It originated with a bequest in the will of English chemist and mineralogist James Smithson (1765–1829).