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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