单词 | porphyrine |
释义 | † porphyrinen.1 Obsolete. 1. = porphyry n. 2a. rare. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > ancient porphyry porphyry?a1439 porphyry stone?a1439 porphyrine1588 porphyrite1589 porfido1611 society > occupation and work > materials > raw material > gem or precious stone > rock crystal > [noun] > porphyry porphyry?a1439 porphyry stone?a1439 porphyrine1588 porphyrite1589 porfido1611 1588 R. Greene Perimedes sig. E3 Houses stuffed within with plate and outwardly decked & adorned with such curious worke of porphurine, as nature in them seemeth to be ouerlaboured with arte. 2. Geology. A porphyritic rock consisting largely of feldspar. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > porphyrite rock porphyrite1794 porphyroid1794 porphyrine1811 1811 J. Pinkerton Petralogy I. 88 The Swedish porphyry, already mentioned, approaches nearer to a porphyrin,..forming the passage from basaltin to porphyry. 1863 J. D. Dana Man. Geol. 79 Porphyrine. Opaque or nearly so... Consists of feldspar; sometimes quartzose. 1869 Sci. Amer. 11 Sept. 163/1 In studying carefully the composition of the boulder, I have recognized no less than twenty-one varieties of rocks and minerals:..9. Porphyrine, in numerous fragments of a homogeneous, reddish color. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online December 2020). porphyrinen.2 Chemistry. rare. An amorphous alkaloid, C21H25N3O2, obtained from the bark of the Australian tree Alstonia constricta (family Apocynaceae), which produces a red colour on reaction with nitric acid. ΘΚΠ the world > matter > chemistry > organic chemistry > alkaloids > [noun] > miscellaneous other daturia1820 piperine1820 opiane1824 daturine1825 aconitine1826 serpentaria1829 solania1830 fagine1833 aconitia1834 buxine1836 porphyroxine1838 surinamine1838 staphisaïne1842 lobeline1844 passiflorine1846 aricine1847 arnicine1847 harmaline1847 papaverine1848 pelosine1851 colchicine1853 helleborin1853 parvoline1855 punicin1855 aconella1864 fluavil1864 physostigmine1864 herapathite1865 ratanhine1868 sipeerine1868 staphisagrine1868 codamine1870 rhoeagenine1870 aconelline1871 helleborein1871 helleboresin1871 helleboretin1871 meconidine1871 napelline1871 hyoscine1872 porphyrine1872 septicine1872 paytine1873 reducine1875 hydrastine1876 pelosia1876 veratralbia1876 aconine1878 piturine1878 paytamine1879 skatol1879 tropidine1879 pelletierine1881 thalictrine1881 tetano-cannabine1883 cupreine1884 scopoleine1885 trigonelline1886 hydrastinine1887 jaborine1887 scopoline1887 apomorphine1888 imperialine1888 tetanine1888 tongine1890 guvacine1891 veratralbine1891 veratroidine1891 scopolamine1892 corybulbine1893 corycavine1893 corytuberine1893 septentrionaline1894 theophylline1894 pellotine1895 yohimbenine1897 ibogaine1902 scopine1923 nornicotine1927 norephedrine1929 pyrrolizidine alkaloid1951 psilocin1958 psilocybin1958 sodide1977 1872 H. Watts Dict. Chem. VI. 955 On evaporating the ether, the porphyrine remains in the form of a varnish soluble in water and in alcohol. 1937 Thorpe's Dict. Appl. Chem. (ed. 4) I. 263/2 Hesse..obtained amorphous alstonine (= chlorogenine) and porphyrine, together with crystalline alstonidine. 2003 Jrnl. Exper. Therapeutics & Oncol. 3 281/2 Alstonia scholaris has been reported to contain the alkaloid-like..porphyrine. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.11588n.21872 |
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