'Camera obscura' definitions:
Definition of 'camera obscura'
From: WordNet
noun
A darkened enclosure in which images of outside objects are projected through a small aperture or lens onto a facing surface
Definition of 'Camera obscura'
From: GCIDE
- Camera obscura \Cam"e*ra ob*scu"ra\ [LL. camera chamber + L. obscurus, obscura, dark.] (Opt.)
- 1. An apparatus in which the images of external objects, formed by a convex lens or a concave mirror, are thrown on a paper or other white surface placed in the focus of the lens or mirror within a darkened chamber, or box, so that the outlines may be traced. [1913 Webster]
- 2. (Photog.) An apparatus in which the image of an external object or objects is, by means of lenses, thrown upon a sensitized plate or surface placed at the back of an extensible darkened box or chamber variously modified; -- commonly called simply the camera. [1913 Webster]