penicillin
/ˌpɛn.ɪˈsɪl.ɪn/ اسم B2باللغة العربية: بِنِسِلِين
- Any of a group of narrow-spectrum antibiotics obtained from Penicillium molds or synthesized, that have a beta-lactam structure and are active against gram-positive bacteria and used in the treatment of various infections and diseases.
- A blue mold of the genus Penicillium that produces penicillin.
الجمع penicillins
من المكتبة
During the Second World War she determined the structure of penicillin at a time when chemists were still arguing about how its atoms were joined, and some refused at first to believe her result.
تعلّم penicillin في نصوص حقيقية
مع حساب مجاني، مرّر المؤشر فوق أي كلمة في المكتبة لترى معناها، واستمع إليها مقروءة بصوت عالٍ، واحفظ الكلمات لمراجعتها في مواعيد تناسب ذاكرتك، واعرف مقدار ما تعرفه من كل كتاب.