penicillic acid

noun
pen·​i·​cil·​lic acid | \ˌpen-ə-ˌsil-ik- \

Medical Definition of penicillic acid 

: a crystalline antibiotic unsaturated keto acid C8H10O4 or the tautomeric hydroxy lactone produced by several molds of the genera Penicillium and Aspergillus

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