13-letter words containing s, p, a, z
- zip fastening — a fastener in the form of a zip
- zoopraxiscope — an early type of motion-picture projector, designed by Eadweard Muybridge, in which the images were drawings or photographs placed along the rim of a circular glass plate, the shutter was a rotating opaque disk with radial slots, and a limelight source was used.
- zoosporangium — a sporangium or spore case in which zoospores are produced.
- zuppa inglese — tiered layers of sponge cake sprinkled with rum or liqueur, then spread with custard or other cream filling.
- zygapophyseal — one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.
- zygosporangia — a sporangium that bears a zygospore.