adj · name · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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UK:/smɪθˈsəʊni.ən/
rhymes with -əʊniən
CMU ARPABET:S M IH0 TH S OW1 N IY0 AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
CMU ARPABET 2:S M IH0 S OW1 N IY0 AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Of or pertaining to James Smithson (c.1765–1829), British mineralogist and chemist whose bequest was used to set up the Smithsonian Institution in the United States.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
name
Meaning 2
The Smithsonian Institution, a group of museums and research centers established in 1846 and administered by the United States government.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From Smithson + -ian.
Across languages
Translations
1 source translations are retained for this English entry.
Spanish:
smithsoniano
— of or pertaining to James Smithson