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optional |
optionally |
optionee |
optocœle |
optocœlia |
optogram
| optography
| optometer
| optometrist
| optometry
| opulence
optogram
CIDE DICTIONARY
optogram, n. [Optic + -gram: cf. F. optogramme.].
An image of external objects fixed on the retina by the photochemical action of light on the visual purple. See Optography. [1913 Webster]
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