litmus_test | ||
1. | [ noun ] (chemistry,color) 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 | |
Synonyms: | litmus | |
Related terms: | acid-base_indicator coloring_material litmus_paper litmus_paper | |
2. | [ noun ] (education) a test that relies on a single indicator | |
Examples: | "her litmus test for good breeding is whether you split infinitives" |
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Related terms: | examination | |
Similar spelling: |
litmus_paper |