The state or quality of being exposed, uncovered, vulnerable, or revealed.
From 'exposed' (past participle of 'expose') + '-ness' (the state of being). The '-ness' suffix creates abstract nouns describing conditions or qualities.
Photographic exposedness taught us that light literally writes pictures—the longer a camera exposes film to light, the brighter the image, which is why 'exposure' means both revealing secrets and letting light hit film.
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