naphthalicadj.

Brit.

/nafˈθalɪk/,

/napˈθalɪk/, U.S.

/næpˈθælɪk/,

/næfˈθælɪk/

Forms: 1800s napthalic, 1800s– naphthalic.

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

Etymology: < naphthal- (in naphthalene n.) + -ic suffix, after French naphtalique (A. Laurent 1836, in Ann. de chim. et de physique 61 113, 123).Earlier in sulpho-naphthalic s.v. sulpho- comb. form 1.

1. Chemistry naphthalic acid n.

a. = phthalic acid n. at phthalic adj. 1b. Now historical.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic acids > [noun] > miscellaneous other organic acids

melilithic acid1803

melanic acid1822

fulminic acid1824

sulphovinic acid1826

xanthic acid1831

alcoothionic acid1834

althionic acid1834

naphthalic acid1837

murexan1838

oxalhydric acid1838

pimelic acid1838

pyruvic acid1838

thionuric acid1838

glucic acid1840

sericic acid1841

anthranilic acid1842

acrylic acid1843

ulmin1843

rhoeadic acid1846

alizaric acid1848

thiacetic acid1854

fulminuric acid1855

phthalic acid1857

anchoic acid1858

graphitic acid1864

tropic acid1867

thymotic acid1868

octoic acid1881

nucleinic acid1893

polyphosphoric acid1895

hydnocarpic acid1905

glucuronic acid1909

octanoic acid1909

Reinecke acid1928

propenoic acid1948

lipoic acid1951

picloram1965

wyerone acid1970

1837 R. D. Thomson Brit. Ann. 347 If this substance be boiled with nitric acid, the solution lets fall on cooling, crystals in the form of plates which are hydrous napthalic [sic] acid.

1838 T. Thomson Chem. Org. Bodies 27 Naphthalic acid was discovered and described by M. Laurent.

1851 Philos. Trans. (Royal Soc.) 141 441 The liquid..now contains the acid which I called in my former papers alizaric acid, and which Laurent and Gerhardt consider as identical with naphthalic acid.

1969 Isis 60 502 His theory..had been confirmed by the discovery of naphthalic (i.e., phthalic) acid.

b. A colourless crystalline dicarboxylic acid derived from naphthalene; naphthalene-1,8-dicarboxylic acid, C₁₀H₆(COOH)₂.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic acids > [noun] > dicarboxylic acids > miscellaneous others

suberic acid1796

oxalovinic acid1838

citraconic acid1840

melanic acid1840

citramalic acid1864

citratartaric acid1864

isophthalic acid1870

methylmalonic acid1889

norpinic acid1909

naphthalic acid1920

1920 Jrnl. Industr. & Engin. Chem. 13 824/1 Acenap[h]thene readily loses two atoms of oxygen to form acenaphthylene and on further oxidation gives naphthalic acid.

1967 I. L. Finar Org. Chem. (ed. 5) I. 767 Naphthalic acid may be prepared by oxidising acenaphthene with acid dichromate.

1991 Zeitschr. f. Naturforschung C. 46 893 The tolerance of maize to root-applied imazethapyr can be increased by pretreating plants with the potassium salt of naphthalic acid.

2. Chemistry. Derived from or related to naphthalene or naphthalic acid (†or phthalic acid). Chiefly in the names of chemical compounds.

ΚΠ

1837 R. D. Thomson Brit. Ann. 355 Naphthalic ether.—This is an oleaginous substance.

1861 Sci. Amer. 16 Nov. 314/2 The formula of the latter substance [sc. alizarine]..denotes that probably it belongs to the naphthalic series.

1967 I. L. Finar Org. Chem. (ed. 5) I. 767 It [sc. naphthalic acid] is a solid, and when heated at 180° forms naphthalic anhydride.

1993 Weed Technol. 7 174 Naphthalic anhydride was also an effective safener against increased corn injury when 3000 ppm piperonyl butoxide was applied foliarly.

3. Of the nature of, derived from, or resembling naphtha; (also) redolent of naphthalene. rare.

ΚΠ

1859 Chambers's Jrnl. 11 211 An abominable naphthalic fluid, which is to blind and suffocate the enemy.

1862 Sci. Amer. 1 Nov. 279/2 The base from which it [sc. chinoline blue] is derived..is also shown along with several other naphthalic products, magenta crystals and picric acid.

1993 J. Meades Pompey (1994) 18 A little boy enters the naphthalic darkness of his mother's wardrobe.

This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).

单词	naphthalic
释义	naphthalicadj. Brit. /nafˈθalɪk/, /napˈθalɪk/, U.S. /næpˈθælɪk/, /næfˈθælɪk/ Forms: 1800s napthalic, 1800s– naphthalic. Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: naphthalene n., -ic suffix. Etymology: < naphthal- (in naphthalene n.) + -ic suffix, after French naphtalique (A. Laurent 1836, in Ann. de chim. et de physique 61 113, 123).Earlier in sulpho-naphthalic s.v. sulpho- comb. form 1. 1. Chemistry naphthalic acid n. a. = phthalic acid n. at phthalic adj. 1b. Now historical. ΘΚΠ the world > matter > chemistry > organic chemistry > organic acids > [noun] > miscellaneous other organic acids melilithic acid1803 melanic acid1822 fulminic acid1824 sulphovinic acid1826 xanthic acid1831 alcoothionic acid1834 althionic acid1834 naphthalic acid1837 murexan1838 oxalhydric acid1838 pimelic acid1838 pyruvic acid1838 thionuric acid1838 glucic acid1840 sericic acid1841 anthranilic acid1842 acrylic acid1843 ulmin1843 rhoeadic acid1846 alizaric acid1848 thiacetic acid1854 fulminuric acid1855 phthalic acid1857 anchoic acid1858 graphitic acid1864 tropic acid1867 thymotic acid1868 octoic acid1881 nucleinic acid1893 polyphosphoric acid1895 hydnocarpic acid1905 glucuronic acid1909 octanoic acid1909 Reinecke acid1928 propenoic acid1948 lipoic acid1951 picloram1965 wyerone acid1970 1837 R. D. Thomson Brit. Ann. 347 If this substance be boiled with nitric acid, the solution lets fall on cooling, crystals in the form of plates which are hydrous napthalic [sic] acid. 1838 T. Thomson Chem. Org. Bodies 27 Naphthalic acid was discovered and described by M. Laurent. 1851 Philos. Trans. (Royal Soc.) 141 441 The liquid..now contains the acid which I called in my former papers alizaric acid, and which Laurent and Gerhardt consider as identical with naphthalic acid. 1969 Isis 60 502 His theory..had been confirmed by the discovery of naphthalic (i.e., phthalic) acid. b. A colourless crystalline dicarboxylic acid derived from naphthalene; naphthalene-1,8-dicarboxylic acid, C₁₀H₆(COOH)₂. ΘΚΠ the world > matter > chemistry > organic chemistry > organic acids > [noun] > dicarboxylic acids > miscellaneous others suberic acid1796 oxalovinic acid1838 citraconic acid1840 melanic acid1840 citramalic acid1864 citratartaric acid1864 isophthalic acid1870 methylmalonic acid1889 norpinic acid1909 naphthalic acid1920 1920 Jrnl. Industr. & Engin. Chem. 13 824/1 Acenap[h]thene readily loses two atoms of oxygen to form acenaphthylene and on further oxidation gives naphthalic acid. 1967 I. L. Finar Org. Chem. (ed. 5) I. 767 Naphthalic acid may be prepared by oxidising acenaphthene with acid dichromate. 1991 Zeitschr. f. Naturforschung C. 46 893 The tolerance of maize to root-applied imazethapyr can be increased by pretreating plants with the potassium salt of naphthalic acid. 2. Chemistry. Derived from or related to naphthalene or naphthalic acid (†or phthalic acid). Chiefly in the names of chemical compounds. ΚΠ 1837 R. D. Thomson Brit. Ann. 355 Naphthalic ether.—This is an oleaginous substance. 1861 Sci. Amer. 16 Nov. 314/2 The formula of the latter substance [sc. alizarine]..denotes that probably it belongs to the naphthalic series. 1967 I. L. Finar Org. Chem. (ed. 5) I. 767 It [sc. naphthalic acid] is a solid, and when heated at 180° forms naphthalic anhydride. 1993 Weed Technol. 7 174 Naphthalic anhydride was also an effective safener against increased corn injury when 3000 ppm piperonyl butoxide was applied foliarly. 3. Of the nature of, derived from, or resembling naphtha; (also) redolent of naphthalene. rare. ΚΠ 1859 Chambers's Jrnl. 11 211 An abominable naphthalic fluid, which is to blind and suffocate the enemy. 1862 Sci. Amer. 1 Nov. 279/2 The base from which it [sc. chinoline blue] is derived..is also shown along with several other naphthalic products, magenta crystals and picric acid. 1993 J. Meades Pompey (1994) 18 A little boy enters the naphthalic darkness of his mother's wardrobe. This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022). < adj.1837
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