The science concerned with microorganisms, including fungi, protozoa, bacteria, and viruses. [Fr. microbiologie]
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mi·cro·bi·ol·o·gy .mī-krō-bī-'äl-ə-jē n, pl -gies a branch of biology dealing esp. with microscopic forms of life (as bacteria, protozoans, viruses, and fungi)
mi·cro·bi·o·log·i·cal·ly -i-k(ə-)lē adv
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n.
the science of microorganism. Microbiology in relation to medicine is concerned mainly with the isolation and identification of the microorganisms that cause disease.
• microbiological adj.
• microbiologist n.
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mi·cro·bi·ol·o·gy (mi″kro-bi-olґə-je) [micro- + biology] the science that deals with the study of microorganisms, including algae, bacteria, fungi, protozoa, and viruses. microbiological adjMedical dictionary. 2011.