any of a group of chemically related antibiotic polypeptides produced by a soil bacillus (Bacillus brevis) and used in medicines to treat various bacterial infections, esp. of the skin and eyes
Origin of gramicidingram(-positive) + -i- + -cid(e) + -in
An antibiotic substance consisting of a mixture of several closely related polypeptides, produced by the soil bacterium Bacillus brevis and used topically to treat infections caused by certain gram-positive bacteria.
Origin of gramicidingram(-positive) -cid(e) -in