parietinn.

Brit.

/pəˈrʌɪᵻtɪn/, U.S.

/pəˈraɪətn/

Origin: A borrowing from Latin. Etymon: Latin parietina.

Etymology: < scientific Latin parietina, specific epithet of the lichen Xanthoria parietina from which the compound was obtained (see quot. 1844) < post-classical Latin parietinus of or belonging to walls (Vulgate) < classical Latin pariet- , pariēs wall (see paries n.) + -īnus -ine suffix¹; compare -in suffix¹.

Chemistry.

An orange-yellow compound which is an anthraquinone derivative and occurs as a pigment in some lichens; 1,8-dihydroxy-3-methoxy-6-methylanthraquinone, C₁₆H₁₂O₅.

ΘΚΠ

the world > life > biology > substance > pigment > [noun] > plant pigments > orange or yellow

parietin1844

munjistin1863

1844 R. D. Thomson in Proc. Philos. Soc. Glasgow 1 ix. 187 I have succeeded in obtaining the colouring matter, or Parietin, as I propose to term it, in the form of needles.

1921 A. L. Smith Handbk. Brit. Lichens 44 The species [of Xanthoria] grow most freely in maritime districts, and are bright-yellow in the open where the acid substance parietin..is freely formed.

1966 New Phytologist 65 211 Unlike the species of Peltigera, those of Xanthoria are relatively rich in ‘lichen acids’ such as parietin and atranorin.

1994 Functional Ecol. 8 255/1 In contrast to the thallus, the apothecia contain parietin.

This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).

单词	parietin
释义	parietinn. Brit. /pəˈrʌɪᵻtɪn/, U.S. /pəˈraɪətn/ Origin: A borrowing from Latin. Etymon: Latin parietina. Etymology: < scientific Latin parietina, specific epithet of the lichen Xanthoria parietina from which the compound was obtained (see quot. 1844) < post-classical Latin parietinus of or belonging to walls (Vulgate) < classical Latin pariet- , pariēs wall (see paries n.) + -īnus -ine suffix¹; compare -in suffix¹. Chemistry. An orange-yellow compound which is an anthraquinone derivative and occurs as a pigment in some lichens; 1,8-dihydroxy-3-methoxy-6-methylanthraquinone, C₁₆H₁₂O₅. ΘΚΠ the world > life > biology > substance > pigment > [noun] > plant pigments > orange or yellow parietin1844 munjistin1863 1844 R. D. Thomson in Proc. Philos. Soc. Glasgow 1 ix. 187 I have succeeded in obtaining the colouring matter, or Parietin, as I propose to term it, in the form of needles. 1921 A. L. Smith Handbk. Brit. Lichens 44 The species [of Xanthoria] grow most freely in maritime districts, and are bright-yellow in the open where the acid substance parietin..is freely formed. 1966 New Phytologist 65 211 Unlike the species of Peltigera, those of Xanthoria are relatively rich in ‘lichen acids’ such as parietin and atranorin. 1994 Functional Ecol. 8 255/1 In contrast to the thallus, the apothecia contain parietin. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < n.1844
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