noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   fermentation that only proceeds in the presence of light; especially a process of producing hydrogen. Unlike biophotolysis in which hydrogen is produced from water, photofermentation produces hydrogen from organic substrates. countable, uncountable

Etymology

From photo- + fermentation.

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