/ dɪsˈkləʊʒə(r); NAmE -ˈkloʊ-/ noun ( formal )
1.
[ U ] the act of making sth known or public that was previously secret or private
SYN revelation :
the newspaper's disclosure of defence secrets
2.
[ C ] information or a fact that is made known or public that was previously secret or private
SYN revelation :
startling disclosures about his private life
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WORD ORIGIN
late 16th cent.: from disclose , on the pattern of closure .