Dictionary

litmus test

noun

: something (such as an opinion about a political or moral issue) that is used to make a judgment about whether someone or something is acceptable

Full Definition of LITMUS TEST

:  a test in which a single factor (as an attitude, event, or fact) is decisive

Examples of LITMUS TEST

  1. The party is using attitudes about gun control as a litmus test for political candidates.

First Known Use of LITMUS TEST

1952

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