Answer | Crossword Clue |
---|---|
VANE | Certain weather indicator |
VANE | Weather indicator. |
VANE | Weather indicator |
HARDER | Weather indicator |
MOVINGVANE | Indicator of windy weather? |
litmus | blue coloring matter obtained from certain lichens, esp. Roccella tinctoria. In alkaline solution litmus turns blue, in acid solution, red: widely used as a chemical indicator |