ˌmīkəˈdərmə noun
Etymology: New Latin, from myc- + -derma
1. -s
a. : mother IV 2
b. or my·co·derm ˈmīkəˌdərm : a bacterium or yeast that is a constituent of a mother or flor
2. capitalized : a genus of microorganisms recovered from mothers or flors originally including a varied assortment of yeasts and acetobacters but now usually restricted to various yeasts of the family Pseudosaccharomycetaceae that do not form ascospores but grow vegetatively in the presence of air producing a scum on the surface of alcoholic solutions (as wine and beer)
• my·co·der·ma·toid |mīkə|dərməˌtȯid adjective
• my·co·der·ma·tous -məd.əs adjective