Photochromogen

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A microorganism (especially a mycobacterium) whose pigmentation develops following exposure to light.

Synonyms

nonchromogen scotochromogen

Etymology

From photo- + chromogen.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.