Litmus Test
nounverified·updated May 18, 2026
a coloring material, which is obtained from lichens, that turns red in acidic solutions and blue in alkaline solutions
Framework senses
- §1
- a test that relies on a single indicator
- §2
- a coloring material, which is obtained from lichens, that turns red in acidic solutions and blue in alkaline solutions
- §1 · legacy_primary
- a coloring material, which is obtained from lichens, that turns red in acidic solutions and blue in alkaline solutionsDR-088 backfill from the noun definition column