photovisual en · ADJ
Etymology
Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *-os Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- English visual English photovisual From photo- + visual.
Meanings
- (not-comparable) Relating to the magnitude of a star as measured by the size of its image on an isochromatic photographic emulsion.
- (not-comparable) Of certain achromatic lenses, having the same focus for the actinic and for the brightest of the visual rays.