adjective Etymology: International Scientific Vocabulary Date: 1887 of, relating to, or producing tone values of light and shade in a photograph that correspond to the tones in nature, sensitive to all colors except red
ORTHOCHROMATIC
Meaning of ORTHOCHROMATIC in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012