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litmus test - 3 dictionary results
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. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source
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Link To litmus test
| litmus test n.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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
Copyright © 2009, Dictionary.com, LLC. All rights reserved.

