camera obscura
Concise Oxford English Dictionary © 2008 Oxford University Press:
camera obscura /ɒbsˈkjʊərə/
▶noun
- 1 a darkened box with a convex lens or aperture for projecting the image of an external object on to a screen inside.
- 2 a small round building with a rotating angled mirror at the apex of the roof, projecting an image of the landscape on to a horizontal surface inside.
– origin C18: from L., ‘dark chamber’.
'camera obscura' also found in these Oxford entries:
