Sentence examples for Litmus test from inspiring English sources

The phrase "litmus test" is correct and commonly used in written English
"Litmus test" is a commonly used expression that refers to a single event or situation that can determine or reveal a larger complex issue or problem. It is often used figuratively to describe a critical assessment or evaluation of something. Example: "The company's new advertising campaign will be a litmus test of its brand identity and marketing strategy."