curcumin (countable and uncountable, plural curcumins)
(chemistry) A polyphenol ''(1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione; a major constituent of the spice turmeric.
• circumin
• E100
• curcuminoid
Source: Wiktionary
Cur"cu*min (-mn), n. (Chem.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
31 January 2025
(noun) the act of dispersing or diffusing something; “the dispersion of the troops”; “the diffusion of knowledge”
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