noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of the Heliobacteriaceae, a family of photoheterotrophic bacteria, using bacteriochlorophyll to convert light energy into chemical energy, exclusively in anaerobic conditions

Etymology

From helio- + bacterium.

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