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exposition (n.)
late 14c., exposicioun, "explanation, narration," from Old French esposicion "explanation, interpretation" (12c.) and directly from Latin expositionem (nominative expositio) "a setting or showing forth; narration, explanation," noun of action from past-participle stem of exponere "put forth; explain; expose," fromex "from, forth" (see ex-) + ponere "to put, place" (see position (n.)).
The meaning "public display" is first recorded 1851 in reference to the Crystal Palace Exposition in London. Abbreviation Expo is first recorded 1963, in reference to planning for the world's fair held in Montreal in 1967.
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Definitions of exposition from WordNet
Dictionary entries near exposition
explosive
exponent
exponential
export
expose
exposition
expository
expostulate
expostulation
exposure
expound