litmus


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Related to litmus: litmus paper

lit·mus

 (lĭt′məs)
n.
A water-soluble bluish powder derived from certain lichens that changes to red with increasing acidity and to deeper blue with increasing basicity.

[Middle English litemose (of Scandinavian origin; akin to Old Norse litmosi, dyer's herbs litr, color, dye + mosi, bog, moss) and Middle English lykemose (from Middle Dutch lijkmoes, variant of lēcmoes : lēken, to drip + moes, moss).]

litmus

(ˈlɪtməs)
n
(Elements & Compounds) a soluble powder obtained from certain lichens. It turns red under acid conditions and blue under basic conditions and is used as an indicator
[C16: perhaps from Scandinavian; compare Old Norse litmosi, from litr dye + mosi moss]

lit•mus

(ˈlɪt məs)

n.
a blue coloring matter obtained from certain lichens, esp. Roccella tinctoria, that turns blue in alkaline solution and red in acid solution: widely used as a chemical indicator.
[1495–1505; earlier lytmos < Old Norse litmosi dye-moss =lit- color, dye + mosi moss]

lit·mus

(lĭt′məs)
A colored powder, obtained from certain lichens, that changes to red in an acid solution and to blue in an alkaline solution. ♦ Litmus is typically added to paper to make litmus paper, which is used to determine whether a solution is basic or acidic.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.litmus - a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutionslitmus - 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
acid-base indicator - an indicator that changes color on going from acidic to basic solutions
litmus paper - unsized paper treated with litmus for use as an acid-base indicator
Translations

litmus

[ˈlɪtməs]
A. Ntornasol m
B. CPD litmus paper Npapel m de tornasol
litmus test Nprueba f de tornasol (fig) → prueba f de fuego

litmus

nLackmus m or nt
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.
Please note that the successful contractor will pay the litmus partnership a consultancy fee on award of this contract, which will be to the value of 12 000 gbp plus vat.
It is our united voice that will have to serve as the litmus test for those who support our struggle or purport to do so.
Dr Lynnsey Weissenberger a postdoctoral researcher in Library & Information Studies from Florida State University--and a practising Irish traditional musician--will join ITMA in July 2017 to lead the two-year LITMUS project.
com)-- Creative design hot-shop, Litmus Branding has just revealed its brand new corporate website.
27 April 2016 - US-based web-based email creation, testing, and analytics company Litmus has acquired UK-based content curation tool Curated, the company said.
Cancun is the first major litmus test of the Arms Trade Treaty, and a great opportunity for countries to make history by pursuing the goals of the treaty designed to save lives," Mexican daily La Jornada quoted Marek Marczynski, Amnesty International's head of military, security and police, as saying on Thursday.
Meera Kaul believes that unflinching trust is the litmus test of a leader
A newly developed government-financed litmus test will show within minutes whether meat samples seized from poachers are whale or dolphin meat, Council of Agriculture officials said.
PHOENIX--The burden of comorbid medical illness is high and is linked to increased prescribing of psychotropic drugs in patients with bipolar I and II disorder, based on findings from the Lithium Treatment--Moderate Dose Use Study, or LiTMUS.