LITMUS

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator

Synonyms:

litmus; litmus test

Classified under:

Nouns denoting substances

Hypernyms ("litmus" is a kind of...):

acid-base indicator (an indicator that changes color on going from acidic to basic solutions)

Holonyms ("litmus" is a substance of...):

litmus paper (unsized paper treated with litmus for use as an acid-base indicator)

Credits