Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “penicillin”

See all translations

penicillin

noun [U] uk   /ˌpen.əˈsɪl.ɪn/ us  
a type of antibiotic (= a medicine that kills bacteria)
Translations of “penicillin”
in Korean 페니실린…
in Arabic بَنسيلين…
in French (de) pénicilline…
in Turkish penisilin…
in Italian penicillina…
in Chinese (Traditional) 盤尼西林,青黴素…
in Russian пенициллин…
in Polish penicylina…
in Spanish penicilina…
in Portuguese penicilina…
in German das Penicillin, Penicillin……
in Catalan penicil·lina…
in Japanese ペニシリン…
in Chinese (Simplified) 盘尼西林,青霉素…
(Definition of penicillin from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of penicillin?
Add Cambridge dictionaries to your browser to your website

Definitions of “penicillin” in other dictionaries

Word of the Day

escapism

a way of avoiding an unpleasant or boring life, especially by thinking, reading, etc. about more exciting but impossible activities

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More