Search Result for "antibiotic": 
Wordnet 3.0

NOUN (1)

1. a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections;
- Example: "when antibiotics were first discovered they were called wonder drugs"
[syn: antibiotic, antibiotic drug]


ADJECTIVE (1)

1. of or relating to antibiotic drugs; 



The Collaborative International Dictionary of English v.0.48:

antibiotic \an`ti*bi*ot"ic\ n.
   1. A chemical substance derived from a mold or bacterium that
      kills microorganisms and cures infections.

   Syn: wonder drug
        [WordNet 1.5]

   2. any chemical substance having therapeutically useful
      antibacterial or antifungal activity; -- used commonly but
      loosely for synthetic as well as natural antimicrobial
      agents.
      [PJC]


The Collaborative International Dictionary of English v.0.48:

antibiotic \antibiotic\ adj.
   1. of or pertaining to an antibiotic.
      [WordNet 1.5]

   2. having antimicrobial activity; capable of killing
      microbes.
      [PJC] -- antibiotically, n.
      [1913 Webster]


WordNet (r) 3.0 (2006):

antibiotic
    adj 1: of or relating to antibiotic drugs
    n 1: a chemical substance derivable from a mold or bacterium
         that can kill microorganisms and cure bacterial infections;
         "when antibiotics were first discovered they were called
         wonder drugs" [syn: antibiotic, antibiotic drug]


Moby Thesaurus II by Grady Ward, 1.0:

71 Moby Thesaurus words for "antibiotic":
   Chloromycetin, Terramycin, acaricide, actinomycin, alexipharmic,
   amphotericin, antacid, anthelmintic, antidotal, antimicrobial,
   antipyretic, antiseptic, antitoxic, bacitracin, bacteriostatic,
   bug bomb, carbamate insecticide, carbomycin, chemosterilant,
   chlorinated hydrocarbon insecticide, chlortetracycline,
   cloxacillin, contact poison, defoliant, dihydrostreptomycin,
   disinfectant, eradicant, erythromycin, febrifugal, fradicin,
   fumigant, fungicide, germicide, gramicidin, griseofulvin,
   herbicide, insect powder, insecticide, methicillin, microbicide,
   miticide, mitomycin, organic chlorine,
   organic phosphate insecticide, penicillin, pesticide, poison,
   rat poison, roach paste, roach powder, rodenticide, stomach poison,
   streptomycin, streptothricin, subtilin, sulfa, systemic,
   systemic insecticide, tetracycline, toxic, toxicant, toxin,
   tylocin, tyrothricin, vancomycin, venin, venom, vermicide,
   viomycin, virus, weed killer