pen‧i‧cil‧lin /ˌpenəˈsɪlən, ˌpenɪˈsɪlən/
noun [uncountable][
Date: 1900-2000;
Language: Modern Latin;
Origin: Penicillium name of a type of mold, from Latin penicillus; ⇒ pencil1]
a type of medicine that is used to treat infections caused by
bacteria [TahlilGaran] Dictionary of Contemporary English ▲