Definition of camera obscura noun from the Oxford Advanced Learner's Dictionary


camera obscura

BrE BrE//ˌkæmərə əbˈskjʊərə//
; NAmE NAmE//ˌkæmərə əbˈskjʊrə//
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an early form of camera consisting of a dark box with a tiny hole or lens in the front and a small screen inside, on which the image appears Word Originearly 18th cent.: from Latin, ‘dark chamber’.
See the Oxford Advanced American Dictionary entry: camera obscura