a. Obs. [f. Gr. ἄνοπτ-ος unseen + -ICAL, after optical.] Not in the field of vision.

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1598.  R. Haydocke, trans. Lomazzo’s Art Paint., IV. xxiii. 174 (N.). As touching the shaddowes aboue our eie in the Anopticall sight.

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