WordReference Random House Unabridged Dictionary of American English © 2026
mi•cro•fau•na
(mī′krō fô′nə),USA pronunciation n., pl. -nas, -nae (-nē).USA pronunciation (used with a sing. or pl. v.)
mi′cro•fau′nal, adj.
- Ecology, Microbiology[Biol.]microscopic animals.
- Ecologythe fauna of a microhabitat.
- micro- + fauna 1900–05