In terms of antibiotic effect. / By means of antibiotics.

Of or pertaining to antibiotics.

(pharmacology) Any substance that can destroy or inhibit the growth of bacteria and similar microorganisms, generally transported by the lymphatic system.

(pharmacology) Of or relating to antibiotics. / (obsolete) Of or relating to the theory that extraterrestrial life does not exist.

plural of antibiotic

(pharmacology) Any antibiotic that is active against a wide range of bacteria, especially against both gram-positive and gram-negative bacteria.

plural of broad-spectrum antibiotic