diapositive
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diapositive
a positive transparency; slide
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Diapositive
a color or black-and-white positive photographic image on a transparent base (glass or film), viewed against a light source or projected on a screen. Reversed or special (diapositive) photographic films or plates are used to prepare diapositives (slides). Diapositives are used in educational and other visual demonstrations. A set of diapositives dealing with a common topic is sometimes called a slide sequence. Sometimes the designation “diapositive” is applied to sketches, pictures, and drawings produced on photographic plates or film (after the fixative process).
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
diapositive
[‚dī·ə′päz·əd·iv] (graphic arts)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.