1 formal : the act of explaining something : clear explanation [noncount] ▪ The subject requires some exposition. [count] ▪ a clear exposition of his ideas 2 [count] : a public show or exhibition
▪ the great Paris Exposition of 1899 ▪ have/hold/mount an international exposition
▪ the great Paris Exposition of 1899 ▪ have/hold/mount an international exposition







