† phlorizeinn.

Forms: 1800s phloridzein, 1800s phlorizein, 1800s phlorizeine.

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: phlorizin n., -ein suffix.

Etymology: < phloriz- (in phlorizin n.) + -ein suffix, after French phlorizéine (J.-S. Stas 1838, in Ann. de chim. et de physique 69 393; later also as phloridzéine). Compare German Phlorizëin (1839; also as Phloridzein). N.E.D. (1905) gives the pronunciation as (florəi·ziˌin) /flɒˈraɪziːɪn/.

Chemistry. Obsolete.

An amorphous, reddish-brown, nitrogenous substance obtained from phlorizin by the action of ammonia in air.

ΚΠ

1840 Penny Cycl. XVIII. 98/2 Phlorizin is by various processes, described by M. Stass, converted into phlorizein, phloretin, and phloretic acid.

1854 J. W. Draper Kane's Elements Chem. (Amer. ed.) 607 A magnificent blue liquor, from which the colouring substance, phloridzein, is precipitated by the cautious addition of acetic acid.

1875 A. B. Prescott Outl. Prox. Org. Anal. 155 Dry phloridzin, treated with ammonia gas, on standing in the air, becomes, successively, orange, red, and blue (formation of phlorizein).

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online September 2021).

单词	phlorizein
释义	† phlorizeinn. Forms: 1800s phloridzein, 1800s phlorizein, 1800s phlorizeine. Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: phlorizin n., -ein suffix. Etymology: < phloriz- (in phlorizin n.) + -ein suffix, after French phlorizéine (J.-S. Stas 1838, in Ann. de chim. et de physique 69 393; later also as phloridzéine). Compare German Phlorizëin (1839; also as Phloridzein). N.E.D. (1905) gives the pronunciation as (florəi·ziˌin) /flɒˈraɪziːɪn/. Chemistry. Obsolete. An amorphous, reddish-brown, nitrogenous substance obtained from phlorizin by the action of ammonia in air. ΚΠ 1840 Penny Cycl. XVIII. 98/2 Phlorizin is by various processes, described by M. Stass, converted into phlorizein, phloretin, and phloretic acid. 1854 J. W. Draper Kane's Elements Chem. (Amer. ed.) 607 A magnificent blue liquor, from which the colouring substance, phloridzein, is precipitated by the cautious addition of acetic acid. 1875 A. B. Prescott Outl. Prox. Org. Anal. 155 Dry phloridzin, treated with ammonia gas, on standing in the air, becomes, successively, orange, red, and blue (formation of phlorizein). This entry has been updated (OED Third Edition, March 2006; most recently modified version published online September 2021). < n.1840
随便看	etymologized etymologizes etymologizing etymology etymon etymonic etymons etype eu eu membership eu referendum eu summit eu- eubacteria eubacterial eubacterium eubages euboic euboic talent eubœan eucaine eucaines eucairite eucalyn eucalypsinthe