turmeric paper
Webster's Dictionary (GCIDE)
Turmeric \Tur"mer*ic\, a. (Chem.) Of or pertaining to turmeric; resembling, or obtained from, turmeric; specif., designating an acid obtained by the oxidation of turmerol. [1913 Webster]
Turmeric paper (Chem.), paper impregnated with turmeric and used as a test for alkaline substances, by which it is changed from yellow to brown.
Turmeric root. (Bot.) (a) Bloodroot. (b) Orangeroot. [1913 Webster]