picrotinn.

Brit.

/pᵻˈkrəʊtɪn/, U.S.

/pᵻˈkroʊdən/

Origin: Formed within English, by clipping or shortening; modelled on a German lexical item. Etymon: picrotoxin n.

Etymology: Shortened < picrotoxin n., after German Pikrotin ( L. Barth M. Kretschy 1880, in Sitzungsber. der kaiserlichen Akad. der Wissensch. Wien: math.-nat. Klasse 81 34).

Chemistry.

A crystalline sesquiterpene lactone, C₁₅H₁₈O₇, that is the non-toxic component of picrotoxin.

ΚΠ

1890 J. S. Billings National Med. Dict. II. 338/1 Picrotin..according to Barth and Kretschy (1880), one of the constituent principles of picrotoxin.

1935 Jrnl. Amer. Chem. Soc. 57 1111/1 The optical crystallographic characteristics..were obtained for picrotoxin and its two principal derivatives, picrotin and picrotoxinin.

2000 Molecular Pharmacol. 58 11 Picrotin, a picrotoxinin analog, blocks responses of receptors composed of either α1 or α3-subunits.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	picrotin
释义	picrotinn. Brit. /pᵻˈkrəʊtɪn/, U.S. /pᵻˈkroʊdən/ Origin: Formed within English, by clipping or shortening; modelled on a German lexical item. Etymon: picrotoxin n. Etymology: Shortened < picrotoxin n., after German Pikrotin ( L. Barth M. Kretschy 1880, in Sitzungsber. der kaiserlichen Akad. der Wissensch. Wien: math.-nat. Klasse 81 34). Chemistry. A crystalline sesquiterpene lactone, C₁₅H₁₈O₇, that is the non-toxic component of picrotoxin. ΚΠ 1890 J. S. Billings National Med. Dict. II. 338/1 Picrotin..according to Barth and Kretschy (1880), one of the constituent principles of picrotoxin. 1935 Jrnl. Amer. Chem. Soc. 57 1111/1 The optical crystallographic characteristics..were obtained for picrotoxin and its two principal derivatives, picrotin and picrotoxinin. 2000 Molecular Pharmacol. 58 11 Picrotin, a picrotoxinin analog, blocks responses of receptors composed of either α1 or α3-subunits. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1890
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