plural of photochrom

of, related to, or produced by photochromism / (chemistry) Relating to the part of a molecule responsible for its photochromism

The reversible transformation of the optical properties of a material when exposed to electromagnetic radiation, especially the reversible darkening of a plastic lens when exposed to sunlight.

in a photochromic manner / with regard to photochromism

The study of photochromism.

plural of photochromism

(historical) A colorized image produced from black-and-white photographic negatives via the direct photographic transfer of a negative onto lithographic printing plates.

plural of photochrome

Alternative form of photochrom