noun Download 🔗Share A dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels. Examples : "The science teacher used litmus paper to test if the liquid was an acid or a base, as the paper turned red in acids and blue in bases. " chemistry substance material color science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A simple test of acidity in a liquid using litmus, usually in the form of litmus paper. Examples : "The science student used litmus paper to check if the liquid was an acid. " chemistry science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A simple test of any attribute; a litmus test. Examples : "The ability to stay calm under pressure is a litmus test for success in this demanding job. " attitude quality Chat with AIVocabulary GamePractice Reading