A benzodiazepine derivative used as a sedative drug; trade name Librium among others.
zoopraxiscope
zoopraxiscope
noun
(photography, historical) An instrument developed by Eadweard Muybridge in the 1870's, similar to the phenakistoscope. The instrument involves a disc that includes serial pictures being rotated in front of a light source, projecting them upon a screen, to exhibit the natural movements of animals and the like.
