tachistoscope

[ tuh-kis-tuh-skohp ]
/ təˈkɪs təˌskoʊp /

noun Psychology.

an apparatus for use in exposing visual stimuli, as pictures, letters, or words, for an extremely brief period, used chiefly to assess visual perception or to increase reading speed.

Origin of tachistoscope

1905–10; < Greek táchist(os), superlative of tachýs swift + -o- + scope

OTHER WORDS FROM tachistoscope

ta·chis·to·scop·ic [tuh-kis-tuh-skop-ik] /təˌkɪs təˈskɒp ɪk/, adjective

Words nearby tachistoscope

tachetic, tachina fly, tachiol, tachism, tachisme, tachistoscope, tacho-, tachogram, tachograph, tachometer, tachy-

British Dictionary definitions for tachistoscope

tachistoscope
/ (təˈkɪstəˌskəʊp) /

noun

an instrument, used mainly in experiments on perception and memory, for displaying visual images for very brief intervals, usually a fraction of a second

Derived forms of tachistoscope

tachistoscopic (təˌkɪstəˈskɒpɪk), adjective tachistoscopically, adverb

Word Origin for tachistoscope

C20: from Greek takhistos swiftest (see tachy-) + -scope

Medical definitions for tachistoscope

tachistoscope
[ tă-kĭs′tə-skōp′ ]

n.

An apparatus that projects a series of images onto a screen at rapid speed to test visual perception, memory, and learning.

Other words from tachistoscope

ta•chis′to•scop′ic (-skŏp′ĭk) adj.