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

justice

fairness in the way people are dealt with

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

flower beard noun

January 19, 2015
a beard adorned with flowers And some of said beard-rockers are even turning it up a notch, painting trend on top of trend with what’s come to be known as ‘the flower beard.’

Read More