| Part of Speech | Definition | |
| Adjective | 1. Of or pertaining to dioptrics; assisting vision by means of the refraction of light; refractive; as, the dioptric system; a dioptric glass or telescope.[Websters]
2. Being diaphanous, translucent or see-through. [Eve - graph theoretic] 3. Rarely used base adjective of the adverb dioptrically.[Eve - graph theoretic] | |
Source: Webster's Revised Unabridged Dictionary (1913), compiled from various sources, under license. | Top | |
Date "DIOPTRICAL" was first used in popular English literature: sometime before 1828. (references) |
