Personality & Headlines (pH)
litmus test
noun
Definition of litmus test
: 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
Merriam-Webster litmus test
The Free Dictionary by Farlex litmus test
Did You Know?
In the 14th century scientists discovered that litmus, a mixture of colored organic compounds obtained from lichen (a composite organism that arises from algae and/or cyanobacteria living among filaments of multiple fungi in a symbiotic relationship), turns red in acid solutions and blue in alkaline solutions and, thus, can be used as an acid-base indicator.
Six centuries later, people began using litmus test figuratively that “test” a person’s character. Litmus Test can now refer to any single factor that establishes the true character of something or causes it to be assigned to one category or another. Often it refers to something (such as an opinion about a political or moral issue) that can be used to make a judgment about whether someone or something is acceptable or not.
pH is a numeric scale used to specify the acidity or basicity of an aqueous solution. Scientifically, pH is the negative of the logarithm to base 10 of the activity of the hydrogen ion. The lower the pH, the higher the hydrogen ion or concentration, or the higher the acidity.
Figuratively, Arlngtoncardinal.com/pH refers to the Litmus Test for Personality and Headlines.