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 [no plural]
 
/ˌpen·əˈsɪl·ən/
a type of medicine that kills bacteria and is used to treat illness
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 Websters Essential Mini Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “penicillin” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More