ta·chis·to·scope 
(tă-kĭstə-skōp′, tə-)
(tă-kĭstə-skōp′, tə-)n.
An apparatus that projects a series of images onto a screen at rapid speed to test visual perception, memory, and learning.
[Greek takhistos, superlative of takhus, swift + -SCOPE.]
ta·chis′to·scopic (-skŏpĭk) adj.
- small cell carcinoma
- small cell lung cancer
- small change
- small-claims court
- smallclothes
- Smalley
- small fry
- small hours
- small intestine
- smallish
- small-minded
- small-mindedly
- small-mindedness
- smallmouth bass
- smallness
- small potatoes
- smallpox
- small print
- Smalls
- small-scale
- small screen
- smallscreen
- small solar system body
- small talk
- small time