orthochromatic film

1. 1.

   a photographic film sensitive to green and blue and violet light

   Broaderfilm

Questions about orthochromatic film

What does orthochromatic film mean?

orthochromatic film means "a photographic film sensitive to green and blue and violet light".

Is orthochromatic film a common word?

orthochromatic film is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.