1 entry 1 source
Omphalopter; Omphaloptic
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
An optical glass that is convex on both sides. [Obs.] Hutton.
1 entry 1 source
Part of speech: noun (n.)
An optical glass that is convex on both sides. [Obs.] Hutton.