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photovisual

photovisual is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

1.Of certain achromatic lenses, having the same focus for the actinic and for the brightest of the visual rays.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

What does "photovisual" mean?

Reverse-dictionary questions

Definition-first questions whose answer is photovisual.

What is of certain achromatic lenses, having the same focus for the actinic and for the brightest of the visual rays called?

Sources

Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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