Litmus

noun

/ˈlɪtməs/

Word Frequency: 0.4

Definitions

1.nounA dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.

2.nounA simple test of acidity in a liquid using litmus, usually in the form of litmus paper.

3.nounA simple test of any attribute; a litmus test.

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