[1] : The Collaborative International Dictionary of English v.0.48

optography \optog"raphy\, n. optic + -graphy. physiol.
   the production of an optogram on the retina by the
   photochemical action of light on the visual purple; the
   fixation of an image in the eye. the object so photographed
   shows white on a purple or red background. see visual
   purple, under visual.
   1913 webster
see also:
visual purple visual 

Optography >> O Words
Optography, definition of term: Optography
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