MICROFLORA Meaning of MICROFLORA in English [mi.cro.flo.ra] n [NL] (1904) 1: minute plants; esp: those invisible to the naked eye 2: a small or strictly localized flora (as of a microenvironment) -- mi.cro.flo.ral adj Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012