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Smithsonian is a 11 letter word which starts with the letter S and ends with the letter N for which we found 2 definitions.

(a.) Of or pertaining to the Englishman J. L. M. Smithson or to the national institution of learning which he endowed at Washington D. C.; as the Smithsonian Institution; Smithsonian Reports.
(n.) The Smithsonian Institution.
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