amoxicillin a·mox·i·cil·lin (ə-mŏk'sĭ-sĭl'ĭn)
n.
A derivative of ampicillin that is effective against a broad range of gram-negative and gram-positive bacteria.
| amoxicillin (ə-mŏk'sĭ-sĭl'ĭn) Pronunciation Key
An antibiotic derived from penicillin, having an antibacterial spectrum of action similar to that of ampicillin. Chemical formula: C16H19N3O5. |