litmus

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[edit] English

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[edit] Noun

Singular
litmus

Plural
countable and uncountable; plural litmuses

litmus (countable and uncountable; plural litmuses)

  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.

[edit] Synonyms

  • (dystuff from lichen): lacmus

[edit] Derived terms

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[edit] Anagrams