Noun:

Litmus,

litmus's Usage Examples:

A litmus test is a question asked of a potential candidate for high office, the answer to which would determine whether the nominating official would proceed.

potash, lime, and gypsum in traditional dye-making methods), the result is litmus, a more complex molecule.

cause for pessimism (half-empty) or optimism (half full), or as a general litmus test to simply determine an individual's worldview.

were known, along with those of contemporaries such as Al-Asma'i, as a litmus test for measuring later writers' eloquence.

The lactose (milk sugar), litmus (pH indicator), and casein.

Since this color change is an approximate inverse of that of litmus, it can be used with litmus paper in a simple parlor trick: add a drop or two of Congo.

and 2 Civic seats in the by-elections of 24 July 2006 that are seen as a litmus test for the upcoming general elections for which the new party was planned.

Hence, it can be used to do alkali-acid litmus tests (but the usual litmus test paper does not use alkanet as the agent and its color.

, turn red litmus paper blue).

Synonyms:

litmus paper; litmus test; acid-base indicator;