nucitanninn.

Brit.

/ˌnjuːsɪˈtanɪn/, U.S.

/ˌn(j)usiˈtænən/

Forms: 1800s nucitannine, 1800s– nucitannin.

Origin: Formed within English, by compounding. Etymons: nuci- comb. form, tannin n.

Etymology: < nuci- comb. form + tannin n. Compare nucitannic adj.

Chemistry. rare.

A glucoside found in walnut shells.

ΚΠ

1869 T. L. Phipson in Chem. News 3 Sept. 116/1 When the episperm of the walnut is digested for several hours in alcohol, it yields a yellowish liquid, from which a notable amount of gallic acid, ellagic acid, and a new species of tannin, which I will call nucitannic acid, or nucitannin, can be obtained.

1870 Nature 6 Jan. 274/1 A substance in the episperm of the nut was called nucitannine.

1944 Hackh's Chem. Dict. (ed. 3) 585/1 Nucitannin, a glucoside obtained from walnuts. It splits into glucose and rothic acid.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	nucitannin
释义	nucitanninn. Brit. /ˌnjuːsɪˈtanɪn/, U.S. /ˌn(j)usiˈtænən/ Forms: 1800s nucitannine, 1800s– nucitannin. Origin: Formed within English, by compounding. Etymons: nuci- comb. form, tannin n. Etymology: < nuci- comb. form + tannin n. Compare nucitannic adj. Chemistry. rare. A glucoside found in walnut shells. ΚΠ 1869 T. L. Phipson in Chem. News 3 Sept. 116/1 When the episperm of the walnut is digested for several hours in alcohol, it yields a yellowish liquid, from which a notable amount of gallic acid, ellagic acid, and a new species of tannin, which I will call nucitannic acid, or nucitannin, can be obtained. 1870 Nature 6 Jan. 274/1 A substance in the episperm of the nut was called nucitannine. 1944 Hackh's Chem. Dict. (ed. 3) 585/1 Nucitannin, a glucoside obtained from walnuts. It splits into glucose and rothic acid. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1869
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