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

pinhole camera

noun
 
/ˌpɪnhəʊl ˈkæmrə/
 
/ˌpɪnhəʊl ˈkæmrə/
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  1. a very simple camera with a very small opening that lets light through, and no lens
See pinhole camera in the Oxford Advanced American Dictionary
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