litmus test
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litmus test
noun
1.
Chemistry. the use of litmus paper or solution to test the acidity or alkalinity of a solution.
2.
a crucial and revealing test in which there is one decisive factor.
Origin:
1955–60; so called from chemical tests in which litmus or litmus paper is an indicator
1955–60; so called from chemical tests in which litmus or litmus paper is an indicator
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To litmus test
Collins
World English Dictionary
| litmus test | |
| —n | |
| 1. | a test to establish the acidity or alkalinity of a mixture |
| 2. | a critical indication of future success or failure |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Litmus test
is always a great word to know.
So is mole. Does it mean:
| the molecular weight of a substance expressed in grams; a gram molecule |
| a salt of hydrocyanic acid, such as potassium cyanide, KCN |
American Heritage
Medical Dictionary
litmus test n.
A test for chemical acidity or basicity using litmus paper.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Example sentences
Having a humor-group or a beer-group is relatively simple, since there is no ideological litmus test for enjoying comedy or beer.
In a way it's as much a litmus test of human nature as it is a reference tool.
The litmus test is whether you can spot them in advance.
The questions were a litmus test to ask a candidate.
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