tachistoscope

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ta·chis·to·scope

 (tă-kĭs′tə-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·scop′ic (-skŏp′ĭk) adj.

tachistoscope

(təˈkɪstəˌskəʊp)
n
(Physiology) an instrument, used mainly in experiments on perception and memory, for displaying visual images for very brief intervals, usually a fraction of a second
[C20: from Greek takhistos swiftest (see tachy-) + -scope]
tachistoscopic adj
taˌchistoˈscopically adv

ta•chis•to•scope

(təˈkɪs təˌskoʊp)

n.
an apparatus that exposes visual stimuli, as words, very briefly, used to test perception or to increase reading speed.
[1905–10; < Greek táchist(os), superlative of tachýs swift + -o- + scope]
ta•chis`to•scop′ic (-ˈskɒp ɪk) adj.

tachistoscope

an instrument for exposing pictures and other visual stimuli for very brief periods, used in psychological testing and various teaching methods.
See also: Instruments
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tachistoscope - scientific instrument used by psychologiststachistoscope - scientific instrument used by psychologists; presents visual stimuli for brief exposures
scientific instrument - an instrument used by scientists