• Webster's Revised Unabridged Dictionary
    • mycoderma A genus of microörganisms of which the acetic ferment (Mycoderma aceti), which converts alcoholic fluids into vinegar, is a representative. Cf. Mother.
    • mycoderma (Biol) One of the forms in which bacteria group themselves; a more or less thick layer of motionless but living bacteria, formed by the bacteria uniting on the surface of the fluid in which they are developed. This production differs from the zoöglœa stage of bacteria by not having the intermediary mucous substance.
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Century Dictionary and Cyclopedia
    • n mycoderma A genus or form-genus under which certain of the fermentation-fungi are known. See fermentation, and mother, 2.
    • ***


Webster's Revised Unabridged Dictionary
NL., from Gr. my`khs a fungus + de`rma skin


In literature:

Often, also, the Mycoderma vini appeared after some days upon the surface of the liquid.
"A History of Science, Volume 4(of 5)" by Henry Smith Williams