litmus

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Pronunciation

• IPA: /ˈlɪtməs/

Noun

litmus

1. (uncountable) A dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.
2. A simple test of acidity in a liquid using litmus, usually in the form of litmus paper.
3. A simple test of any attribute; a litmus test.

Synonyms

• (dyestuff from lichen) lacmus

Translations

• French: tournesol
• German: Lackmus
• Italian: tornasole
• Portuguese: tornassol
• Russian: ла́кмус
• Spanish: tornasol

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