The Collaborative International Dictionary
Scioptics
Scioptics \Sci*op"tics\, n. The art or process of exhibiting luminous images, especially those of external objects, in a darkened room, by arrangements of lenses or mirrors.
Wiktionary
scioptics
n. The art or process of exhibiting luminous images, especially those of external objects, in a darkened room, by arrangements of lenses or mirrors.