Enter a clue or pattern or both:

The Clue

Kind of paper or test (6 letter answer)

The Answer

LITMUS

Tags


Notes

The answer LITMUS is so rare that it appears less than once every 2500 puzzles.

Related Clues

Kind of test
Blue coloring matter
It turns red in acid

Definition

LITMUS as a noun:

1. (litmus, litmus test) = 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