Blue coloring matter Crossword Clue
6 letters · New York Times · Saturday, November 13, 2004 · 43-Across
Appeared in 1 New York Times Crossword: Saturday, November 13, 2004.
Exact puzzle match · New York Times · November 13, 2004 · 43-Across · 6 letters
LITMUS0 of 6 letters revealed
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What does this clue mean?
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
noun
WordNet® (Princeton University)
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