Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “acid”

See all translations

acid

noun [C/U]  /ˈæs·ɪd/ us  
chemistry any of various chemical substances that can produce salts , some of which are able to damage whatever they touch

acid

adjective  /ˈæs·ɪd/ us  
sour in taste: The salad dressing has an acid taste. fig. An acid comment/remark is something said or written in strong criticism.
Translations of “acid”
in Korean 산…
in Arabic حامِض…
in French acide, mordant…
in Turkish asit…
in Italian acido…
in Chinese (Traditional) 化學的, 酸…
in Russian кислота…
in Polish kwas…
in Spanish ácido, mordaz, incisivo…
in Portuguese ácido…
in German sauer, beißend…
in Catalan àcid…
in Japanese 酸…
in Chinese (Simplified) 化学的, 酸…
(Definition of acid from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of acid?
Add Cambridge dictionaries to your browser to your website

Definitions of “acid” in other dictionaries

Word of the Day

comma

the symbol , used in writing to separate parts of a sentence showing a slight pause, or to separate the single things in a list

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 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More