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Что (кто) такое litmus test - определение
Найдено результатов: 2342
litmus test
WIKIMEDIA DISAMBIGUATION PAGE
Litmus test (disambiguation); Litmus tests
¦ noun
1. Chemistry a test using litmus.
2. a decisive test: they failed the litmus test of political maturity.
litmus test
WIKIMEDIA DISAMBIGUATION PAGE
Litmus test (disambiguation); Litmus tests
(litmus tests)
If you say that something is a litmus test of something, you mean that it is an effective and definite way of proving it or measuring it.
Ending the fighting must be the absolute priority, the litmus test of the agreements' validity...
The success of wind power represents a litmus test for renewable energy.
N-COUNT: usu sing, usu N of/for n
Litmus test (politics)
QUESTION ASKED OF POLITICAL CANDIDATES
Political litmus test; Ideological litmus test
In politics, a litmus test is a question asked of a potential candidate for high office, the answer to which would determine whether the nominating official would proceed with the appointment or nomination. The expression is a metaphor based on the litmus test in chemistry, in which one is able to test the general acidity of a substance, but not its exact pH.
Erythrolein
![Chemical structure of 7-hydroxyphenoxazone, the [[chromophore]] of litmus components](https://commons.wikimedia.org/wiki/Special:FilePath/7-hydroxyphenoxazone.svg?width=200 "Chemical structure of 7-hydroxyphenoxazone, the [[chromophore]] of litmus components")
![''[[Parmelia sulcata]]''](https://commons.wikimedia.org/wiki/Special:FilePath/Parmelia sulcata.jpeg?width=200 "''[[Parmelia sulcata]]''")
WATER-SOLUBLE MIXTURE OF DIFFERENT DYES EXTRACTED FROM LICHENS.
Litmus paper; Litmus Paper; Azolitmin; Erythrolein; Leucoorcein; Leucazolitmin; Litmus test (chemistry)
·noun A red substance obtained from litmus.
Litmus
WATER-SOLUBLE MIXTURE OF DIFFERENT DYES EXTRACTED FROM LICHENS.
Litmus paper; Litmus Paper; Azolitmin; Erythrolein; Leucoorcein; Leucazolitmin; Litmus test (chemistry)
·noun 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.
litmus
WATER-SOLUBLE MIXTURE OF DIFFERENT DYES EXTRACTED FROM LICHENS.
Litmus paper; Litmus Paper; Azolitmin; Erythrolein; Leucoorcein; Leucazolitmin; Litmus test (chemistry)
['l?tm?s]
¦ noun a dye obtained from certain lichens that is red under acid conditions and blue under alkaline conditions.
Origin
ME: from ON lit-mosi, from litr 'dye' + mosi 'moss'.
Litmus
WATER-SOLUBLE MIXTURE OF DIFFERENT DYES EXTRACTED FROM LICHENS.
Litmus paper; Litmus Paper; Azolitmin; Erythrolein; Leucoorcein; Leucazolitmin; Litmus test (chemistry)
Litmus is a water-soluble mixture of different dyes extracted from lichens. It is often absorbed onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity.
litmus paper
WATER-SOLUBLE MIXTURE OF DIFFERENT DYES EXTRACTED FROM LICHENS.
Litmus paper; Litmus Paper; Azolitmin; Erythrolein; Leucoorcein; Leucazolitmin; Litmus test (chemistry)
¦ noun paper stained with litmus, used as a test for acids or alkalis.
Test (biology)
![Sea urchin tests (''[[Coelopleurus exquisitus]]'' on a ''[[Phyllacanthus imperialis]]'').](https://commons.wikimedia.org/wiki/Special:FilePath/Sea urchin tests.jpg?width=200 "Sea urchin tests (''[[Coelopleurus exquisitus]]'' on a ''[[Phyllacanthus imperialis]]'').")
![purple sea urchin]].](https://commons.wikimedia.org/wiki/Special:FilePath/Sea urchin test structure (8340336761).jpg?width=200 "purple sea urchin]].")
![Test of an irregular sea urchin (''[[Echinocardium]]'').](https://commons.wikimedia.org/wiki/Special:FilePath/Echinocardium-fd.jpg?width=200 "Test of an irregular sea urchin (''[[Echinocardium]]'').")
![[[Foraminiferan]]s' tests from the [[Adriatic]] Sea.](https://commons.wikimedia.org/wiki/Special:FilePath/3339e Croatie Pag.jpg?width=200 "[[Foraminiferan]]s' tests from the [[Adriatic]] Sea.")
HARD SHELL OF SOME SPHERICAL MARINE ANIMALS, NOTABLY SEA URCHINS AND MICROORGANISMS SUCH AS TESTATE FORAMINIFERANS, RADIOLARIANS, AND TESTATE AMOEBAE
Test (shell); Test (zoology)
In biology, a test is the hard shell of some spherical marine animals, notably sea urchins and microorganisms such as testate foraminiferans, radiolarians, and testate amoebae. The term is also applied to the covering of scale insects.
Litmus (Battlestar Galactica)
EPISODE OF BATTLESTAR GALACTICA
Litmus (Battlestar Galactica 2003)
"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.
