• Webster's Revised Unabridged Dictionary
    • n Microzyme (Biol) A microörganism which is supposed to act like a ferment in causing or propagating certain infectious or contagious diseases; a pathogenic bacterial organism.
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Century Dictionary and Cyclopedia
    • n microzyme One of a class of extremely small living creatures, existing in the atmosphere, and furnishing the basis on which certain epizoötic, epidemic, and other zymotic diseases are dependent for their existence; a zymotic microbe. These pestiferous microbes have some characters at least in which they resemble ferments, and by multiplying rapidly they excite morbid action in the animal organism with which they come in contact. See germ theory (under germ), and cuts under microbe.
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Chambers's Twentieth Century Dictionary
    • Microzyme a member of a class of extremely minute living organisms floating in the atmosphere, supposed to be the means of communicating certain epidemic and other zymotic diseases
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Webster's Revised Unabridged Dictionary
Micro-, + Gr. zy`mh leaven
Chambers's Twentieth Century Dictionary
Gr. mikros, small, zōon, an animal, sporos, seed, zymē, leaven.


In literature:

MICROZYME, a minute organism which acts as a ferment when it enters the blood and produces zymotic diseases.
"The Nuttall Encyclopaedia" by Edited by Rev. James Wood