camera obscura
/ˌkam(ə)rə ɒbˈskjʊərə
/noun
1A darkened box with a convex lens or aperture for projecting the image of an external object on to a screen inside, a forerunner of the modern camera.He was the first to propose adding a convex lens to the camera obscura....
- My explanation for this very curious result is that Vermeer had a camera obscura with a lens at the painting's viewpoint.
- In the camera obscura the image is always upside-down.
1.1A 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.But the glistening object on the town's market place on Saturday morning turned out to be a mirrored camera obscura....
- The party also had a camera obscura to produce topographic images, although they seem never to have used it.
- We are looking to put in a camera obscura or a viewing tower in the church steeple as a tourist attraction to complement the Botanic Gardens across the road.
Origin
Early 18th century: from Latin, 'dark chamber'.
Rhymes
- business angel
- business as usual
- business card
- business case
- business casual
- business class
- business correspondent
- business-critical
- business cycle
- business day
- business district
- business doctor
- business double
- business edge
- business empire
- business end
- business English
- businessese
- business ethic
- business-friendly
- business girl
- business graphic
- business guru
- business head
- business hours