Meaning of the word litmus in English

What does litmus mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

litmus

US /ˈlɪt.məs/

UK /ˈlɪt.məs/

Noun

a coloring matter obtained from certain lichens, that turns red in acid solutions and blue in alkaline solutions, and is used as an indicator in chemistry

Example:

•

The scientist used litmus paper to test the pH of the solution.

•

The color change of litmus indicates the acidity or alkalinity.

a decisive test or indicator of something

Example:

•

The election results will be a litmus test for the public's trust in the government.

•

His reaction was a litmus of his true feelings.

Synonym:

indicator barometer gauge measure test

Learn This Word at Lingoland