antibiotic CHEBI:22582 Antibiotika CiteXplore:22849276 CiteXplore:22849268 antibiotic CiteXplore:12964249 antibiotique Antibiotikum antibiotics A substance that is biostatic or biocidal at low concentrations towards bacteria, yeasts, moulds, or other form of life, especially pathogenic or noxious organisms. Although the term was originally restricted to substances produced by microorganisms, its use was later expanded to include derivatives of such substances and it is now commonly used to include entirely synthetic compounds. CiteXplore:22958833 CiteXplore:22439833 CiteXplore:22117953 chebi_ontology toxin antimicrobial agent