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1. Oxford American Dictionary

   litmus

   • IPA[ˈlitməs]

   美式

   • n.
     a dye obtained from certain lichens that is red under acid conditions and blue under alkaline conditions.

   • noun: litmus

2. • 相關詞

   litmus test

   • n.
     a test for acidity or alkalinity using litmus.

   Oxford American Dictionary

   litmus test

   • n.
     a test for acidity or alkalinity using litmus.

   Oxford Dictionary

   litmus paper

   • n.
     paper stained with litmus which is used to indicate the acidity or alkalinity of a substance. ...

   Oxford Dictionary

   litmus paper

   • n.
     paper stained with litmus which is used to indicate the acidity or alkalinity of a substance. ...

   Oxford American Dictionary

3. • 更多解釋

   litmus

   • IPA[ˈlɪtməs]

   英式

   • n.
     a dye obtained from certain lichens that is red under acid conditions and blue under alkaline ...

   Oxford Dictionary