alginicadj.

Brit.

/alˈdʒɪnɪk/, U.S.

/ælˈdʒɪnɪk/

Origin: Formed within English, by derivation. Etymons: algin n., -ic suffix.

Etymology: < algin n. + -ic suffix. Compare earlier algic n.²

Chemistry.

alginic acid n. a colloidal polysaccharide occurring, in the form of its calcium, sodium, and magnesium salts, in the cell walls of brown algae (seaweed) and certain bacteria, noted for its capacity to absorb water rapidly and commercially extracted for use as alginate; cf. algin n.

ΘΚΠ

the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > alginic acid

algic acid1881

alginic acid1884

1884 E. C. C. Stanford in Jrnl. Soc. Arts 6 June 726/1 It contains calcium, magnesium, and sodium, in combination with a new acid which I call alginic acid.

1927 T. P. Hilditch Industr. Chem. Fats & Waxes ix. iii. 435 Emulsions of fatty oil in soap solution, stabilized frequently by an emulsifying agent such as gum, alginic acid, etc.

1966 D. Sutherland Against Wind ii. xii. 193 New uses are constantly being discovered each year for the alginic acid which is the by-product of the tangle.

2009 Times (Nexis) 19 Dec. 39 Vegetarian caviar made from seaweed achieves its lumpy texture by adding alginic acid, a plant extract.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	alginic
释义	alginicadj. Brit. /alˈdʒɪnɪk/, U.S. /ælˈdʒɪnɪk/ Origin: Formed within English, by derivation. Etymons: algin n., -ic suffix. Etymology: < algin n. + -ic suffix. Compare earlier algic n.² Chemistry. alginic acid n. a colloidal polysaccharide occurring, in the form of its calcium, sodium, and magnesium salts, in the cell walls of brown algae (seaweed) and certain bacteria, noted for its capacity to absorb water rapidly and commercially extracted for use as alginate; cf. algin n. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > alginic acid algic acid1881 alginic acid1884 1884 E. C. C. Stanford in Jrnl. Soc. Arts 6 June 726/1 It contains calcium, magnesium, and sodium, in combination with a new acid which I call alginic acid. 1927 T. P. Hilditch Industr. Chem. Fats & Waxes ix. iii. 435 Emulsions of fatty oil in soap solution, stabilized frequently by an emulsifying agent such as gum, alginic acid, etc. 1966 D. Sutherland Against Wind ii. xii. 193 New uses are constantly being discovered each year for the alginic acid which is the by-product of the tangle. 2009 Times (Nexis) 19 Dec. 39 Vegetarian caviar made from seaweed achieves its lumpy texture by adding alginic acid, a plant extract. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < adj.1884
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