Definition of magic lantern in US English:
 magic lantern
nounˈˌmædʒɪk ˈlæntərnˈˌmajik ˈlantərn
historical A simple form of image projector used for showing photographic slides.
 Example sentencesExamples
-  Now that was the new technology and they were just starting to use electric lights to project the magic lanterns instead of the carbide lamps,
 -  The end of the exhibition was dedicated to an archive of the technology itself, displaying a historical lineage of objects from magic lanterns to a variety of early slide projectors.
 -  Martin also sold magic lanterns, which projected ghostly figures onto walls or clouds of smoke, as well as convex and concave glasses, mirrors that curved and distended proportions.
 -  Fuller's stage performances utilised electric lighting, coloured gels, magic lanterns, shadow-play and projections to create spectacular onstage effects, making her experiments with film a logical development of her art.
 -  After the advent of photography in the mid-century, magic lanterns were increasingly produced and sold primarily for domestic use.