The act of revealing, uncovering, or making something known publicly, especially something hidden or shameful.
From 'expose' + '-al' (the action of). While 'exposure' is the more common modern form, 'exposal' persists in older texts and formal writing, emphasizing the deliberate act of revealing.
The exposal of the Pentagon Papers in 1971 changed American history—journalist Daniel Ellsberg's decision to reveal classified documents about the Vietnam War shifted public opinion and showed the power of truth.
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