litmus test   (TTS Sound)

The litmus_test has 2 Senses.

• litmus test, litmus
• リトマス
• 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
• 酸性溶液では赤になり、アルカリ溶液では青に変わる色剤（地衣類から作られる）

• litmus test
• a test that relies on a single indicator; "her litmus test for good breeding is whether you split infinitives"
• 一つの指標に頼るテスト