1. (Science: botany) An East indian plant of the genus Curcuma, of the ginger family.
2. The root or rootstock of the Curcuma longa. It is externally grayish, but internally of a deep, lively yellow or saffron colour, and has a slight aromatic smell, and a bitterish, slightly acrid taste. It is used for a dye, a medicine, a condiment, and a chemical test.
Origin: F. Terre-merite, NL. Terramerita, turmerica; apparently meaning, excellent earth, but perhaps a corruption of Ar. Kurkum. Cf. Curcuma.
(Science: chemistry) Of or pertaining to turmeric; resembling, or obtained from, turmeric; specif, designating an acid obtained by the oxidation of turmerol.
(Science: chemistry) Turmeric paper, paper impregnated with turmeric and used as a test for alkaline substances, by which it is changed from yellow to brown. Turmeric root.
(Science: botany) bloodroot. Orangeroot.