litmus

[n] - a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions
Found on http://www.webdictionary.co.uk/definition.php?query=litmus

litmus

A mixture of pigments extracted from certain lichens that turns blue in basic solution and red in acidic solution.
Found on http://antoine.frostburg.edu/chem/senese/101/glossary/l.shtml

Litmus

Plant pigment commonly used as an acid base indicator.Litmus is red (or pink) in an acid, and blue in a base.
Found on http://www.chemicalglossary.net/definition/1010-Litmus

Litmus

Litmus: A pigment used as a test for acidity and alkalinity. Litmus paper turns red in acid and blue in an alkaline solution. Litmus is prepared from lichens like Roccella tinctoria. Figuratively, a litmus test is a decision in which a single factor is the determinant.
Found on http://www.medterms.com/script/main/art.asp?articlekey=39410

Litmus

Lit'mus noun [ Dutch lakmoes ; lak lacker + moes a thick preparation of fruit, pap, probably akin to English meat : confer German lackmus . See Lac a resinous substance.] (Chemistry) A dyestuff extracted from certain lichens ( Roccella tinctoria...
Found on http://www.encyclo.co.uk/webster/L/51

litmus

<chemistry> A dyestuff extracted from certain lichens (Roccella tinctoria, Lecanora tartarea, etc), as a blue amorphous mass which consists of a compound of the alkaline carbonates with certain colouring matters related to orcin and orcein. ... Litmus is used as a dye, and being turned red by acids and restored to its blue colour by alkalies,...
Found on http://www.encyclo.co.uk/local/20973

litmus

litmus test noun 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
Found on http://wordnetweb.princeton.edu/perl/webwn?s=litmus

litmus

(lit´mәs) a blue pigment prepared from Rocella tinctoria and other lichens. litmus paper absorbent paper impregnated with a solution of litmus, dried and cut into strips. It is used to indicate the acidity or alkalinity of solutions. If dipped into alkaline solution it rema...
Found on http://www.encyclo.co.uk/local/21001

Litmus

• (n.) A dyestuff extracted from certain lichens (Roccella tinctoria, Lecanora tartarea, etc.), as a blue amorphous mass which consists of a compound of the alkaline carbonates with certain coloring matters related to orcin and orcein.
Found on http://thinkexist.com/dictionary/meaning/litmus/

litmus

mixture of coloured organic compounds obtained from several species of lichen that grow in The Netherlands, particularly Lecanora tartarea and ... [1 related articles]
Found on http://www.britannica.com/eb/a-z/l/59

litmus

litmus, organic dye usually used in the laboratory as an indicator of acidity or alkalinity (see acids and bases). Naturally pink in color, it turns blue in alkali solutions and red in acids. Commonly, paper is treated with the coloring matter to form so-called litmus paper. Litmus is extracted, chi...
Found on http://www.infoplease.com/ce6/sci/A0829975.html

Litmus

Litmus or lacmus is a dye derived from Roccella tinctoria and certain other lichens. Paper tinged blue by litmus is reddened by the feeblest acids, and hence is used to test pH (acidity and alkalinity). Litmus paper which has been reddened by an acid has its blue colour restored by an alkali.
Found on http://www.probertencyclopaedia.com/browse/GL.HTM

litmus

Type: Term Pronunciation: lit′mŭs Definitions: 1. A blue coloring matter obtained from Roccella tinctoria and other species of lichens, the principal component of which is azolitmin; used as an indicator (reddened by acids and turned blue again by alkalies).
Found on http://www.medilexicon.com/medicaldictionary.php?t=50982

litmus

Dye obtained from various lichens and used in chemistry as an indicator to test the acidic or alkaline nature of aqueous solutions; it turns red in the presence of acid, and blue in the presence of alkali
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0014960.html

Litmus

An indicator that turns red in acid and blue in alkaline solution.
Found on http://www.chemistry-dictionary.com/definition/litmus.php

litmus

an indicator that turns red in acid and blue in alkaline solution.
Found on http://www.cliffsnotes.com/test-prep/tools-and-resources/chemistry-glossary

Litmus

[Mozilla] Litmus is a web-based, open source, test case management/QA tool maintained by the Mozilla Corporation/Mozilla Foundation. Litmus can be downloaded from the Mozilla CVS server. Mozilla uses the tool to test its own products. As of 2012, it is being replaced with MozTrap. ==Requirements== Litmus depends on Apache (web server) and M...
Found on http://en.wikipedia.org/wiki/Litmus_(Mozilla)

Litmus

[Battlestar Galactica] `Litmus` is the sixth episode of the reimagined Battlestar Galactica television series. In the episode, an investigation into a Cylon infiltration comes to focus on the relationship between Chief Galen Tyrol and the Galactica copy of Boomer, who is a Cylon sleeper agent in order to weed out other sleeper agents. ==Plo...
Found on http://en.wikipedia.org/wiki/Litmus_(Battlestar_Galactica)

Litmus

Litmus is a water-soluble mixture of different dyes extracted from lichens, especially Roccella tinctoria. It is often absorbed onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity. Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic (i.e. alkaline) con...
Found on http://en.wikipedia.org/wiki/Litmus

Litmus

[disambiguation] Litmus is a water-soluble mixture of different dyes extracted from lichens. Litmus may also refer to: ...
Found on http://en.wikipedia.org/wiki/Litmus_(disambiguation)

Litmus

A mixture of pigments extracted from certain lichens that turns blue in basic solution and red in ac
Found on http://www.superglossary.com/Glossary/Science/Chemistry/
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