Ethril
       n : an antibiotic (trade name Erythrocin or E-Mycin or Ethril or
           Ilosone or Pediamycin) obtained from the actinomycete
           Streptomyces erythreus; effective against many
           Gram-positive bacteria and some Gram-negative [syn: erythromycin,
            Erythrocin, E-Mycin, Ilosone, Pediamycin]