Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “litmus test”

See all translations

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.
Translations of “litmus test”
in Chinese (Traditional) (具有更廣泛意義的)決定,意見…
in Chinese (Simplified) (具有更广泛意义的)决定,意见…
(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

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 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More