a·mox·i·cil·lin (ə-mŏk'sĭ-sĭl'ĭn) n. An semisynthetic penicillin, C16H19N3O5S, having an antibacterial spectrum of action similar to that of ampicillin.
Main Entry: amox·i·cil·lin Variant: or Britishamox·y·cil·lin/&-"mäk-sE-'sil-&n/ Function:noun : a semisynthetic penicillin C16H19N3O5S derived from ampicillin —see AMOXIL, AUGMENTIN, LAROTID
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.