litmus paper


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Related to litmus paper: phenolphthalein

litmus paper

n.
An unsized white paper impregnated with litmus and used as a pH or acid-base indicator.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

lit′mus pa`per


n.
a strip of paper impregnated with litmus, used as a chemical indicator.
[1795–1805]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

litmus paper

Paper impregnated with litmus, a lichen-derived powder that changes color according to the acidity or basicity of a substance it comes into contact with. Litmus paper is thus used to test for acidity or basicity.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.litmus paper - unsized paper treated with litmus for use as an acid-base indicatorlitmus paper - unsized paper treated with litmus for use as an acid-base indicator
litmus, litmus test - a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
paper - a material made of cellulose pulp derived mainly from wood or rags or certain grasses
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

litmus paper

nLackmuspapier nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

litmus paper

[ˈlɪtməsˌpeɪpəʳ] n (also) (fig) → cartina al tornasole
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
He dropped a piece of litmus paper into an acid, when it changed instantly to red, and on floating it in an alkali it turned as quickly to blue.
"The litmus paper is still the litmus paper," he enunciated in the formal manner of the lecturer.
Gigs are the litmus paper and I'm constantly refining my set to ensure it's totally up to speed with "now".
What colour does litmus paper turn in an acid solution?
'In the absence of litmus paper, for instance, we use eggplants to test acidity; instead of looking through a microscope, we print photographs for our students,' he said.
Observing farmers using test tubes, litmus paper, sample soil and a soil-testing kit from the Bureau of Soils and Water Management reminded me of my high-school chemistry class and the fact that there's a lot more involved in food production than picking up that bag of organic lettuce in the weekend market.
A spokesman added: "Two firefighters wearing breathing apparatus and chemical protection suits checked over the suspected leaking cylinder using litmus paper.
Mineral oil should be used for initial wound irrigation, the authors advise, and "surgical debridement is the definitive treatment for injuries and should remove any remaining alkaline material from tissues." Delay use of water-based irrigation until after surgical debridement, and one report suggests probing the wound with litmus paper to ensure the pH is no longer alkaline prior to using water irrigation.
pH test strips are advanced versions of litmus paper. They're more accurate than litmus paper because they have several color spots on each strip.
You can test with litmus paper, which you can buy cheaply in art and craft shops.
Its support for the Kurdish referendum is a litmus paper by which to understand Israel's approach to the region.