Webster's Revised Unabridged Dictionary · 1913

Orthoscopic

Orthoscopic , adjective

(Optics) Giving an image in correct or normal proportions; giving a flat field of view; as, an orthoscopic eyepiece.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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