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3 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 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.
 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.
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From: Webster's Revised Unabridged Dictionary (1913)

 Cur·cu·ma n.  Bot. A genus of plants of the order Scitamineæ, including the turmeric plant (Curcuma longa).
 Curcuma paper. Chem. See Turmeric paper, under Turmeric.
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From: Webster's Revised Unabridged Dictionary (1913)

 Cur·cu·min n. Chem. The coloring principle of turmeric, or curcuma root, extracted as an orange yellow crystalline substance, C14H14O4, with a green fluorescence.
 Note: ☞ It possesses acid properties and with alkalies forms brownish salts. This change in color from yellow to brown is the characteristic reaction of tumeric paper. See Turmeric paper, under Turmeric.
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