euthoscopic

adjective eu·tho·scop·ic \¦yüthə¦skäpik\

Definition of euthoscopic

of a photoreceptor

  1. :  capable of perceiving the presence, direction, and relative intensity of light but unable to form a visual image

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Origin and Etymology of euthoscopic

eutho- (irregular from Greek euthys straight) + -scopic


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