ampicillin

From am(ino)- +‎ p(en)icillin.

• IPA^(key): /ˌæm.pɪˈsɪl.ɪn/

• Audio (Southern England):

  (file)

• Rhymes: -ɪlɪn

ampicillin (countable and uncountable, plural ampicillins)

1. (pharmacology) A semisynthetic form of penicillin C₁₆H₁₉N₃O₄S that is effective against gram-negative and gram-positive bacteria and is used to treat infections of the urinary, respiratory, and intestinal tracts.

• “ampicillin”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “ampicillin”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.