noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of the many minute aquatic creatures, such as protozoa and unicellular algae, found in freshwater habitats.

Etymology

From New Latin īnfūsōrium, from Latin īnfundō.

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