リトマス試し験けん紙しリトマスしけんしFreq.FrequencyTop 100,000Meanings1nounlitmus paperA strip of paper treated with litmus, used to test whether a solution is acidic or alkaline.理り科かの実じっ験けんでリトマス試し験けん紙しを使つかった。We used litmus paper in the science experiment.