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alginic acid

[al-jin-ik] /ælˈdʒɪn ɪk/
noun, Chemistry.
an insoluble, colloidal acid, (C 6 H 8 O 6) n , found in the cell walls of various kelps, especially brown kelps, known chiefly in the form of its salts, and used as a thickening or stabilizing agent in foodstuffs, especially ice cream, and for sizing paper.
Origin of alginic acid
1885-90; algin + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for alginic-acid

alginic acid

a white or yellowish powdery polysaccharide having marked hydrophilic properties. Extracted from kelp, it is used mainly in the food and textile industries and in cosmetics and pharmaceuticals. Formula: (C6H8O6)n; molecular wt: 32 000–250 000
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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