See Also: tachistoscope(medicine)
tachistoscope(dictionary)

tachistoscope (iou)



tachistoscope noun. L19.
[from Greek takhistos swiftest + -SCOPE.]
An instrument which presents objects to the eye for a fraction of a second, e.g. to determine the amount of detail that can be apprehended by a single act of attention.
tachisto'scopic adjective E20.
tachisto'scopically adverb E20.