[mahy-kroh-flawr-uh, -flohr-uh]

noun, plural mi·cro·flo·ras, mi·cro·flo·rae [mahy-kroh-flawr-ee, -flohr-ee] /ˌmaɪ kroʊˈflɔr i, -ˈfloʊr i/. (used with a singular or plural verb)

Biology. microscopic plants.
Ecology. the flora of a microhabitat.

Origin of microflora

First recorded in 1900–05; micro- + flora
Related formsmi·cro·flo·ral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for microflora



the community of microorganisms, including algae, fungi, and bacteria that live in or on another living organism or in a particular habitat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012