Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “litmus test”

litmus test

noun [C] /ˈlɪt·məs ˌtest/

litmus test noun [C] (CHEMICAL TEST)

chemistry a test of a chemical substance using paper treated with litmus, which tells whether a substance is acid or alkali

litmus test noun [C] (OPINION)

an opinion or action that is thought to show more general opinions or likely future actions: Analysts say the election is a litmus test for democracy in the region.
(Definition of litmus test from the Cambridge Academic Content Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “litmus test” in other dictionaries

Translations of “litmus test”

Word of the Day

first:

(a person or thing) coming before all others in order, time, amount, quality, or importance

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More