1 entry 1 source
Photovisual
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: adjective (a.)
Of certain achromatic lenses, having the same focus for the actinic and for the brightest of the visual rays.
1 entry 1 source
Part of speech: adjective (a.)
Of certain achromatic lenses, having the same focus for the actinic and for the brightest of the visual rays.