DICT.TW Dictionary Taiwan
18.118.0.42

Search for:
[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Pho·to·vis·u·al a. Optics Of certain achromatic lenses, having the same focus for the actinic and for the brightest of the visual rays.