Chapter Calve to Camera obscura of C by Webster's Dictionary (1913 Edition)

Camera
(Cam"e*ra) n.; pl. E. Cameras L. Camerae [L. vault, arch, LL., chamber. See Chamber.] A chamber, or instrument having a chamber. Specifically: The camera obscura when used in photography. See Camera, and Camera obscura.

Bellows camera. See under Bellows. — In camera (Law), in a judge's chamber, that is, privately; as, a judge hears testimony which is not fit for the open court in camera. — Panoramic, or Pantascopic, camera, a photographic camera in which the lens and sensitized plate revolve so as to expose adjacent parts of the plate successively to the light, which reaches it through a narrow vertical slit; — used in photographing broad landscapes. Abney.

Camerade
(Came"rade) n. See Comrade. [Obs.]

Cameralistic
(Cam`e*ra*lis"tic) a. Of or pertaining to finance and public revenue.

Cameralistics
(Cam`e*ra*lis"tics) n. [Cf. F. caméralistique, G. kameralistik, fr. L. camera vault, LL., chamber, treasury.] The science of finance or public revenue.

Camera lucida
(||Cam"e*ra lu"ci*da) [L. camera chamber + L. lucidus, lucida, lucid, light.] (Opt.) An instrument which by means of a prism of a peculiar form, or an arrangement of mirrors, causes an apparent image of an external object or objects to appear as if projected upon a plane surface, as of paper or canvas, so that the outlines may conveniently traced. It is generally used with the microscope.

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.

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.