Mycin is defined as something that is made from a fungus.
An example of the mycin used as a suffix is the antibiotic erythromycin.
a substance, esp. an antibiotic, derived from a fungus: erythromycin
Origin of -mycinfrom Classical Greek myk?s, fungus (see myco-) + -in
A substance derived from a bacterium in the order Actinomycetales: neomycin.
Origin of -mycinmyc(o)- ( so called because the bacteria from which the substances were first derived were originally mistaken for fungi ) -in