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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

causal agent, cause, causal agency go
any entity that produces an effect or is responsible for events or results

agent go
a substance that exerts some force or effect

drug go
a substance that is used as a medicine or narcotic

medicine, medication, medicament, medicinal drug go
(medicine) something that treats or prevents or alleviates the symptoms of disease

antibacterial, antibacterial drug, bactericide go
any drug that destroys bacteria or inhibits their growth

antibiotic, antibiotic drug go
a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections

penicillin
any of various antibiotics obtained from Penicillium molds (or produced synthetically) and used in the treatment of various infections and diseases

noun.artifact

10 Subcategories

amoxicillin, Amoxil, Larotid, Polymox, Trimox, Augmentin go
an antibiotic
ampicillin, Principen, Polycillin, SK-Ampicillin go
semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)
griseofulvin, Fulvicin go
a kind of penicillin (a fungicidal antibiotic with the trade name Fulvicin) produced by molds of the genus Penicillium
methicillin go
antibiotic drug of the penicillin family used in the treatment of certain staphylococcal infections
penicillinase-resistant antibiotic go
a form of penicillin that is not rendered inactive by penicillinase
penicillin F go
the first form of penicillin that was isolated in Great Britain
penicillin G, benzylpenicillin go
the penicillin that constitutes the principal component of many commercial antibiotics
penicillin O go
a penicillin that is similar in antibiotic action to penicillin G but is obtained differently
penicillin V, phenoxymethyl penicillin go
a crystalline penicillin similar in action to penicillin G but more resistant to the action of gastric acids
piperacillin, Pipracil go
a synthetic type of penicillin antibiotic (trade name Pipracil) used for moderate to severe infections