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litmus
Found in thesaurus: acid-base indicator
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litmus
n.
blue coloring substance extracted from lichens which turns red in acids and is restored to blue in alkalis (used as a chemical indicator)
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Litmus
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.
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| WordNet 2.0 | Download this dictionary |
litmus
Noun
1. 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
(synonym) litmus test
(hypernym) acid-base indicator
(substance-holonym) litmus paper
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Litmus (der)
nm.
litmus, blue coloring substance extracted from lichens
| Babylon English-Czech | Download this dictionary |
litmus
n.
lakmus
