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euthoscopic

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

Definition of euthoscopic

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

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History and Etymology for euthoscopic

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

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“Euthoscopic.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/euthoscopic. Accessed 28 January 2020.

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