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microflora

[mahy-kroh-flawr-uh, -flohr-uh]
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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)
  1. Biology. microscopic plants.
  2. Ecology. the flora of a microhabitat.
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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. 2018

British Dictionary definitions for microflora

microflora

noun
  1. the community of microorganisms, including algae, fungi, and bacteria that live in or on another living organism or in a particular habitat
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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