pyrogallinn.

Brit.

/ˌpʌɪrəʊˈɡalɪn/, U.S.

/ˌpaɪroʊˈɡæl(ə)n/

Forms: 1800s pyrogalline, 1800s– pyrogallin.

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: pyrogallic adj., -in suffix¹.

Etymology: < pyrogall- (in pyrogallic adj.) + -in suffix¹, after French pyrogalline (A. Rösing 1857, in 44 1152). Compare German Pyrogallin (A. Rösing 1857, in a translation of the French paper). Compare pyrogallein n.

Chemistry. rare.

= pyrogallol n.

ΘΚΠ

society > leisure > the arts > visual arts > photography > chemicals > [noun] > reducing agent

pyrogallic acid1835

pyrogallin1857

reducer1858

pyrogallol1868

pyro1879

1857 Chem. Gaz. 1 Aug. 286 It might be advisable to replace the term pyrogallic acid, by pyrogalline [Fr. pyrogalline], or simply galline.

1876 J. Harley Royle's Man. Materia Med. (ed. 6) 422 Heated to 410° gallic acid is..converted into pyrogallin and carbonic anhydride.

1991 Jrnl. Chromatogr. 542 125 Other theaflavins can be formed..in the presence of catechol (categallin) or pyrogallol (pyrogallin).

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	pyrogallin
释义	pyrogallinn. Brit. /ˌpʌɪrəʊˈɡalɪn/, U.S. /ˌpaɪroʊˈɡæl(ə)n/ Forms: 1800s pyrogalline, 1800s– pyrogallin. Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: pyrogallic adj., -in suffix¹. Etymology: < pyrogall- (in pyrogallic adj.) + -in suffix¹, after French pyrogalline (A. Rösing 1857, in 44 1152). Compare German Pyrogallin (A. Rösing 1857, in a translation of the French paper). Compare pyrogallein n. Chemistry. rare. = pyrogallol n. ΘΚΠ society > leisure > the arts > visual arts > photography > chemicals > [noun] > reducing agent pyrogallic acid1835 pyrogallin1857 reducer1858 pyrogallol1868 pyro1879 1857 Chem. Gaz. 1 Aug. 286 It might be advisable to replace the term pyrogallic acid, by pyrogalline [Fr. pyrogalline], or simply galline. 1876 J. Harley Royle's Man. Materia Med. (ed. 6) 422 Heated to 410° gallic acid is..converted into pyrogallin and carbonic anhydride. 1991 Jrnl. Chromatogr. 542 125 Other theaflavins can be formed..in the presence of catechol (categallin) or pyrogallol (pyrogallin). This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1857
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