rubiacicadj.

Brit.

/ˌruːbɪˈasɪk/, U.S.

/ˌrubiˈæsɪk/

Origin: A borrowing from Latin, combined with an English element; partly modelled on a German lexical item. Etymons: Latin Rubiaceae , -ic suffix.

Etymology: < rubiac- (in scientific Latin Rubiaceae, family name: see rubiaceous adj.) + -ic suffix. In rubiacic acid n. (a) at main sense after German Rubiaceensäure (F. Runge 1835, in Jrnl. f. prakt. Chem. 5 367); compare French rubiacique (1837 in abstracts of Runge's paper). In rubiacic acid n. (b) at main sense after German Rubiacinsäure (E. Schunck 1848, in Ann. der Chem. u. Pharm. 66 180; < Rubiacin rubiacin n. + Säure acid).

Chemistry. rare.

rubiacic acid n. †(a) a colourless acid (not identified) obtained by Runge from madder (obsolete); (b) a lemon-yellow acid (not identified) prepared by Schunck from rubiacin (now historical).

ΘΚΠ

the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > miscellaneous others

rheumic acid1816

arabic acida1836

rubiacic acid1835

aspartic acid1836

sylvic acid1836

tannic acid1836

oenanthic acid1837

gummic acid1838

retinic acid1838

roccellic acid1838

rubinic acid1838

lobelic acid1840

polychromatic acid1840

rhabarbaric acid1840

roccelline1840

humic1844

sumbulolic acid1844

isatic acid1845

opianic acid1845

parthenic acid1845

polychromic acid1847

styphnic acid1848

metapectic acid1849

tanningenic acid1852

jalapic acid1853

jalapinolic acid1855

sinapic acid1857

amalic acid1863

phycic acid1864

filicic acid1865

isamic acid1865

tannocaffeic acidc1865

tricarballylic acid1865

guaiaretic acid1866

pectous acid1866

phytomelin1866

porphyric acid1866

thujetic acid1868

turpetholic acid1868

viridic acid1868

rheotannic acid1869

arabinic acid1870

frangulic1872

sclerotic acid1876

theobromic acid1878

gynocardic acid1897

chaulmoogric acid1904

1835 Rec. Gen. Sci. 2 455 Rubiacic acid is also a colourless acid; by heating with muriatic acid, it is converted into a matter which forms a clear blue colour, but cannot be fixed upon cotton.

1848 E. Schunck in Rep. Brit. Assoc. Advancem. Sci. 1847 137 This precipitate consists of rubiacin, the second of the two fats, and of a new body which I shall call rubiacic acid.

1857 W. A. Miller Elements Chem. III. 522 A brownish red liquid, which on the addition of an acid deposits flocculi of rubiacic acid.

1977 Notes & Rec. Royal Soc. 31 278 The facile oxidation–reduction relationship which he [sc. Schunk] discovered between ‘rubiacine’ and ‘rubiacic acid’ cannot be easily interpreted.

This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022).

单词	rubiacic
释义	rubiacicadj. Brit. /ˌruːbɪˈasɪk/, U.S. /ˌrubiˈæsɪk/ Origin: A borrowing from Latin, combined with an English element; partly modelled on a German lexical item. Etymons: Latin Rubiaceae , -ic suffix. Etymology: < rubiac- (in scientific Latin Rubiaceae, family name: see rubiaceous adj.) + -ic suffix. In rubiacic acid n. (a) at main sense after German Rubiaceensäure (F. Runge 1835, in Jrnl. f. prakt. Chem. 5 367); compare French rubiacique (1837 in abstracts of Runge's paper). In rubiacic acid n. (b) at main sense after German Rubiacinsäure (E. Schunck 1848, in Ann. der Chem. u. Pharm. 66 180; < Rubiacin rubiacin n. + Säure acid). Chemistry. rare. rubiacic acid n. †(a) a colourless acid (not identified) obtained by Runge from madder (obsolete); (b) a lemon-yellow acid (not identified) prepared by Schunck from rubiacin (now historical). ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > miscellaneous others rheumic acid1816 arabic acida1836 rubiacic acid1835 aspartic acid1836 sylvic acid1836 tannic acid1836 oenanthic acid1837 gummic acid1838 retinic acid1838 roccellic acid1838 rubinic acid1838 lobelic acid1840 polychromatic acid1840 rhabarbaric acid1840 roccelline1840 humic1844 sumbulolic acid1844 isatic acid1845 opianic acid1845 parthenic acid1845 polychromic acid1847 styphnic acid1848 metapectic acid1849 tanningenic acid1852 jalapic acid1853 jalapinolic acid1855 sinapic acid1857 amalic acid1863 phycic acid1864 filicic acid1865 isamic acid1865 tannocaffeic acidc1865 tricarballylic acid1865 guaiaretic acid1866 pectous acid1866 phytomelin1866 porphyric acid1866 thujetic acid1868 turpetholic acid1868 viridic acid1868 rheotannic acid1869 arabinic acid1870 frangulic1872 sclerotic acid1876 theobromic acid1878 gynocardic acid1897 chaulmoogric acid1904 1835 Rec. Gen. Sci. 2 455 Rubiacic acid is also a colourless acid; by heating with muriatic acid, it is converted into a matter which forms a clear blue colour, but cannot be fixed upon cotton. 1848 E. Schunck in Rep. Brit. Assoc. Advancem. Sci. 1847 137 This precipitate consists of rubiacin, the second of the two fats, and of a new body which I shall call rubiacic acid. 1857 W. A. Miller Elements Chem. III. 522 A brownish red liquid, which on the addition of an acid deposits flocculi of rubiacic acid. 1977 Notes & Rec. Royal Soc. 31 278 The facile oxidation–reduction relationship which he [sc. Schunk] discovered between ‘rubiacine’ and ‘rubiacic acid’ cannot be easily interpreted. This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022). < adj.1835
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