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Webster 1913 Edition

Heliochromy

He′li-o-chroˊmy

(hē′lĭ-ō̍-krōˊmy̆ or hēˊlĭ-ŏk′rō̍ˊmy̆)

,

Noun.

The art of producing photographs in color.

Definition 2024

heliochromy

heliochromy

English

Noun

heliochromy ‎(uncountable)

(dated) The art of producing colour photographs.