carbo-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Forms: Before a vowel also carb-.

Origin: Formed within English, by compounding. Etymons: carbon n., -o- connective.

Etymology: < carb- (in carbon n.) + -o- connective.Formations within English are found from the early 19th cent. (e.g. carbosulphuret at sense 1 and carbo-hydrogen n. at sense 2; compare also carbohydrate n.). Compare French carbo- (formations in which are found from at least the mid 19th cent.: e.g. carbostyrile carbostyril n.), German karbo- (also carbo- ) (formations in which are found from the 19th cent.: e.g. Carbolineum carbolineum n.).

Chemistry.

Containing, combined with, or involving carbon.

1. In the names of compounds and radicals, as carbocresylic, carbomethylic, carbosulphuret, etc.More established compounds of this type are treated separately.

ΚΠ

1813 J. J. Berzelius & A. Marcet in Philos. Trans. (Royal Soc.) 103 192 The sulphuret of carbon is capable of combining with saline bases. These combinations constitute a new class of bodies... I shall propose to call them carbosulphurets.

1837 Brit. Ann. & Epitome Progress Sci. 1838 323 Carbomethylic acid. This acid has been obtained by Dumas and Peligot by acting upon pyroxylic spirit with carbonic acid.

1866 Philos. Trans. (Royal Soc.) 156 350 Carbomethylic acid..differs essentially from glycollic acid and the lactic series in general, inasmuch as the carbon of its chlorous radical, oxatyl, is linked to the carbon of the basylous radical by oxygen.

1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 771 Carbocresylic and Cresotic Acids, C₈H₈O₃—The sodium-salts of these acids are formed simultaneously by the action of carbon dioxide and sodium on cresol.

carbanil n.

Brit.

/ˈkɑːbənɪl/

U.S.

/ˈkɑrbənᵻl/

[ < carbo- comb. form + anil n., after German Carbanil (A. W. Hofmann 1850, in Chem.-Pharm. Central-Blatt f. 1850 July 469)] now rare a liquid with a pungent odour, now usually called phenyl isocyanate.Formula: C₆H₅—N=CO.

ΚΠ

1855 W. Odling tr. A. Laurent Chem. Method 255 Neutral and alkaline carbanil-ammonide.]

1914 Jrnl. Amer. Chem. Soc. 36 2540 An attempt was made to prepare borneol phenyl urethane by means of carbanil.

1922 E. Kremers tr. E. Gildermeister Volatile Oils III. 359 With carbanil a phenyl urethane resulted which..melted at 42 to 43°.

† carbanilamide n. [ < carbo- comb. form + anil n. + amide n., after French carbanilamide (G. Chancel 1849, in Comptes rendus hebd. de l'Acad. des. Sci. 28 294)] Obsolete = phenylurea n. at phenyl n. Compounds 2.

ΚΠ

1849 tr. G. Chancel in Chem. Gaz. 7 190 In a former notice, I showed that under the influence of the hydrosulphate of ammonia nitrobenzamide is converted into a new substance, anilamic urea, to which I assigned the name of carbanilamide.

1850 Chem. Gaz. 8 245 Nitrobenzamide is converted into carbanilamide..when it is treated with sulphuretted hydrogen or with hydrosulphate of ammonia.

1863 H. Watts Dict. Chem. I. 755 Phenyl-carbamide... Phenyl-urea, Aniline-urea, Carbanilamide.

carbanilic adj.

Brit.

/ˌkɑːbəˈnɪlɪk/

U.S.

/ˌkɑrbəˈnɪlɪk/

[ < carbo- comb. form + anil n. + -ic suffix, after French carbanilique (G. Chancel 1849, in Comptes rendus hebd. de l'Acad. des. Sci. 28 422)] of or relating to carbanilic acid; carbanilic acid n. an acid now usually called phenylcarbamic acid and known only in the form of substituted derivatives; any of these derivatives.Formula: C₆H₅·NHCOOH.

ΚΠ

1849 tr. G. Chancel in Chem. Gaz. 7 190 The carbanilic acid is deposited on cooling in orange-coloured crystals, which are purified by recrystallization.

1850 Chem. Gaz. 8 246 (heading) Carbanilethane, or carbanilic æther of alcohol.

1853 D. Breed tr. C. Löwig Princ. Org. & Physiol. Chem. 360 The substance formerly described as anthranilic acid is probably carbanilic acid.

1923 Jrnl. Amer. Chem. Soc. 45 478 (heading) Trichloromethyl-dimethyl carbinol ester of carbanilic acid.

1965 Science 9 July 191/2 Esters of certain carbanilic acids have been known for many years as regulators of plant growth.

1989 Jrnl. Agric. & Food Chem. 37 169/1 Carbanilic acid aliphatic esters..are selective pre- and postemergence herbicides.

carbanilide n.

Brit.

/ˌkɑːˈbanᵻlʌɪd/

/ˌkɑːˈbanl̩ʌɪd/

/ˌkɑːbəˈnɪlʌɪd/

U.S.

/ˌkɑrˈbænəˌlaɪd/

/ˌkɑrbəˈnɪlaɪd/

[ < carbo- comb. form + anil n. + -ide suffix] a crystalline solid obtained as a by-product in the preparation of phenylurea from aniline and urea and now usually called diphenylurea; any substituted derivative of this.Formula: (C₆H₅·NH)₂CO.

ΚΠ

1846 A. W. Hofmann in Lancet 21 Feb. 222/1 A white crystalline mass, which, by the action of water, was resolved into hydrochlorate of aniline and carbanilide.

1907 J. B. Cohen Org. Chem. Adv. Students I. 148 The behaviour of carbanilide compounds of the aldoximes can also be employed for determining configuration.

1955 Science 5 Aug. 244/3 Molecular complexes of certain substituted carbanilides possess antiparasitic activity.

1999 Amer. Jrnl. Bot. 86 1645 Carbanilide (diphenylurea or DPU), an active cytokinin in other systems, induces very few buds in Funaria.

carbazotate n.

Brit.

/ˌkɑːˈbazəteɪt/

U.S.

/ˌkɑrˈbæzəˌteɪt/

= picrate n.

ΚΠ

1827 A. Fyfe Elements Chem. II. 350 The compounds of carbazotic acid and bases, called carbazotates, vary in their properties according to the base.

1883 Lancet 28 Apr. 752/2 Picrate, or, as it is more generally called, carbazotate of ammonia.

1957 N. I. Sax Dangerous Prop. Industr. Materials x. 283/2 Ammonium picrate... Synonyms; Ammonium carbazotate.

carbazotic adj.

Brit.

/ˌkɑːbəˈzɒtɪk/

U.S.

/ˌkɑrbəˈzɑdɪk/

[ < carbo- comb. form + azotic adj., after French carbazotique (in acide carbazotique: J. Liebig 1827, in Ann. de chimie et de physique 35 81)] now historical carbazotic acid n. = picric acid n. at picric adj.

ΚΠ

1827 A. Fyfe Elements Chem. II. 350 The compounds of carbazotic acid and bases, called carbazotates, vary in their properties according to the base.

1876 R. Routledge Discov. & Inventions 19th Cent. 573 The final result of the action of nitric acid on phenol is picric acid, called also ‘carbazotic acid’, and, more systematically, ‘tri-nitro-phenol’.

1960 Isis 51 245/2 Diversity of opinion on the composition of carbazotic acid (later called picric acid) seemed to strain their friendship.

carbocyclic adj.

Brit.

/ˌkɑːbə(ʊ)ˈsʌɪklɪk/

/ˌkɑːbə(ʊ)ˈsɪklɪk/

U.S.

/ˌkɑrboʊˈsaɪklɪk/

/ˌkɑrboʊˈsɪklɪk/

designating a ring of carbon atoms, with no hetero-atoms; (of a molecule or compound) containing such a ring.

ΘΚΠ

the world > matter > chemistry > organic chemistry > [adjective] > organic structure > cyclic or ring compounds > carbo-cyclic

carbocyclic1899

1899 Jrnl. Chem. Soc. 76 i. 59 (heading) Formation of carbocyclic compounds from 1:5- and 1:6-diketones by converting them into their pinacones.

1954 T. Vickerstaff Physical Chem. Dyeing (ed. 2) ix. 287 Several carbocyclic quinones and some vat dyes were reduced catalytically with hydrogen.

1981 P. Sykes Guidebk. to Mechanism in Org. Chem. (ed. 5) i. 18 The ring structure need not be purely carbocyclic, and pyridine,..with a nitrogen atom in the ring..is as highly stabilised as benzene.

2004 Proc. National Acad. Sci. U.S.A. 101 12064/1 The structure..comprises..two six-membered ring systems, one carbocyclic and the other heterocyclic.

carbo-dynamite n.

Brit.

/ˌkɑːbə(ʊ)ˈdʌɪnəmʌɪt/

/ˌkɑːbə(ʊ)ˈdɪnəmʌɪt/

U.S.

/ˌkɑrboʊˈdaɪnəˌmaɪt/

now disused an explosive resembling dynamite, in which fine charcoal is used as the absorbent.

ΘΚΠ

society > occupation and work > materials > derived or manufactured material > explosive material > [noun] > other specific explosives

powdera1393

gunpowder1411

saltpetre1501

petre1586

halinitre1608

sal-prunella1664

petre-salt1708

xyloidin1838

gun-cotton1846

pyroxyle1847

pyroxylin1847

pyroglycerin1850

xylidine1850

nitroglycerine1852

gun-sawdust1853

picrate1854

trinitroglycerin1864

nitroleum1866

trinitrin1866

dynamite1867

giant-powder1872

dualin1874

fulgurite1874

rendrock1874

glyoxilin1875

lithofracteur1875

trinitro-cellulose1875

white gunpowder1875

gelatin1878

cotton-powder1879

vigorite1879

blasting gelatine1881

Hercules powder1881

saxifragine1881

tonite1881

dynamogen1882

forcite1883

haloxylin1883

jelly powdera1884

nitro-gelatinea1884

panclastite1883

potentite1883

sebastinea1884

kolloxylin1884

hellhoffite1885

rackarock1885

securite1886

kinetite1887

roburite1887

carbo-dynamite1888

fortis1889

gelatine dynamite1889

gelignite1889

seranine1889

straw-dynamite1889

carbonite1890

amberite1891

nitro powder1892

Schnebelite1893

westfalite1894

thorite1899

soup1902

ammonal1903

cheddite1908

trinitrotoluene1908

Samsonite1909

tolite1909

trinitrotoluol1910

trotyl1910

glyceryl trinitrate1912

T.N.T.1915

nitro1916

amatol1918

cyclonite1923

hexogen1923

lox1923

pentaerythritol tetranitrate1923

hexite1931

aurantia1940

jelly1941

RDX1941

1888 Chem. Trade Jrnl. 2 329/2 A very successful series of experiments have been carried out at Treherbert, Rhondda Valley, South Wales, with a new explosive known as carbo-dynamite. It is the invention of Mr. W. F. Reid and Mr. W. D. Borland.

1890 Mitchell (S. Dakota) Daily Republican 30 Dec. 11/4 Carbo-dynamite..possesses some important advantages over ordinary dynamite.

1917 G. Martin & W. Barbour Industr. Nitrogen Compounds & Explosives (ed. 2) ix. 97 Among dynamites with combustible absorbents may be mentioned Reid and Borland's carbo-dynamite in which burnt cork charcoal is used.

carbo-hydrogen n.

Brit.

/ˌkɑːbə(ʊ)ˈhʌɪdrədʒ(ə)n/

U.S.

/ˌkɑrboʊˈhaɪdrədʒən/

†(a) a compound or radical having the formula CH (or a multiple thereof) (obsolete); (b) any compound of carbon and hydrogen; = hydrocarbon n. (now rare).

ΚΠ

1828 London Jrnl. Arts & Sci. 14 107 Hence Dr. T[h]omson calls it the Sesqui-chloride of Carbo-hydrogen.

1839 Philos. Trans. (Royal Soc.) 129 295 The similar excess both of carbon and hydrogen in the resin..would imply the presence of a volatile carbo-hydrogen.

1885 C. S. Sargent Woods of U.S. 120 Abietine, a volatile carbo-hydrogen possessing powerful anæsthetic properties, is obtained by distilling the resinous exudation of this species [sc. Pinus Jeffreyi].

1886 Science 11 June 528/2 The five series of lines in the low-temperature spectrum of carbo-hydrogen.

2000 Futurist (Nexis) 1 Nov. 50 One scientist has figured out how to extract burnable ‘carbo-hydrogen’ gas from almost any biomass solution.

carbohydrous adj.

Brit.

/ˌkɑːbə(ʊ)ˈhʌɪdrəs/

U.S.

/ˌkɑrboʊˈhaɪdrəs/

now rare relating to or containing carbon and water, or carbohydrates.

ΚΠ

1881 Ann. Rep. Smithsonian Inst. 393 The carbohydrous material which is present in the plant.

1892 Jrnl. Mental Sci. 38 393 Concerning the diet of the patients, it..is more of a carbohydrous nature than a nitrogenous, starch, sugar, and fats entering largely into its composition.

1935 C. G. Shaw Logic vi. 104 What we seem to have in an organism is a system of oxidization, alimentation, carbohydrous repair, and reproduction.

This entry has been updated (OED Third Edition, December 2008; most recently modified version published online June 2022).

单词	carbo-
释义	carbo-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Forms: Before a vowel also carb-. Origin: Formed within English, by compounding. Etymons: carbon n., -o- connective. Etymology: < carb- (in carbon n.) + -o- connective.Formations within English are found from the early 19th cent. (e.g. carbosulphuret at sense 1 and carbo-hydrogen n. at sense 2; compare also carbohydrate n.). Compare French carbo- (formations in which are found from at least the mid 19th cent.: e.g. carbostyrile carbostyril n.), German karbo- (also carbo- ) (formations in which are found from the 19th cent.: e.g. Carbolineum carbolineum n.). Chemistry. Containing, combined with, or involving carbon. 1. In the names of compounds and radicals, as carbocresylic, carbomethylic, carbosulphuret, etc.More established compounds of this type are treated separately. ΚΠ 1813 J. J. Berzelius & A. Marcet in Philos. Trans. (Royal Soc.) 103 192 The sulphuret of carbon is capable of combining with saline bases. These combinations constitute a new class of bodies... I shall propose to call them carbosulphurets. 1837 Brit. Ann. & Epitome Progress Sci. 1838 323 Carbomethylic acid. This acid has been obtained by Dumas and Peligot by acting upon pyroxylic spirit with carbonic acid. 1866 Philos. Trans. (Royal Soc.) 156 350 Carbomethylic acid..differs essentially from glycollic acid and the lactic series in general, inasmuch as the carbon of its chlorous radical, oxatyl, is linked to the carbon of the basylous radical by oxygen. 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 771 Carbocresylic and Cresotic Acids, C₈H₈O₃—The sodium-salts of these acids are formed simultaneously by the action of carbon dioxide and sodium on cresol. 2. carbanil n. Brit. /ˈkɑːbənɪl/ , U.S. /ˈkɑrbənᵻl/ [ < carbo- comb. form + anil n., after German Carbanil (A. W. Hofmann 1850, in Chem.-Pharm. Central-Blatt f. 1850 July 469)] now rare a liquid with a pungent odour, now usually called phenyl isocyanate.Formula: C₆H₅—N=CO. ΚΠ 1855 W. Odling tr. A. Laurent Chem. Method 255 Neutral and alkaline carbanil-ammonide.] 1914 Jrnl. Amer. Chem. Soc. 36 2540 An attempt was made to prepare borneol phenyl urethane by means of carbanil. 1922 E. Kremers tr. E. Gildermeister Volatile Oils III. 359 With carbanil a phenyl urethane resulted which..melted at 42 to 43°. † carbanilamide n. [ < carbo- comb. form + anil n. + amide n., after French carbanilamide (G. Chancel 1849, in Comptes rendus hebd. de l'Acad. des. Sci. 28 294)] Obsolete = phenylurea n. at phenyl n. Compounds 2. ΚΠ 1849 tr. G. Chancel in Chem. Gaz. 7 190 In a former notice, I showed that under the influence of the hydrosulphate of ammonia nitrobenzamide is converted into a new substance, anilamic urea, to which I assigned the name of carbanilamide. 1850 Chem. Gaz. 8 245 Nitrobenzamide is converted into carbanilamide..when it is treated with sulphuretted hydrogen or with hydrosulphate of ammonia. 1863 H. Watts Dict. Chem. I. 755 Phenyl-carbamide... Phenyl-urea, Aniline-urea, Carbanilamide. carbanilic adj. Brit. /ˌkɑːbəˈnɪlɪk/ , U.S. /ˌkɑrbəˈnɪlɪk/ [ < carbo- comb. form + anil n. + -ic suffix, after French carbanilique (G. Chancel 1849, in Comptes rendus hebd. de l'Acad. des. Sci. 28 422)] of or relating to carbanilic acid; carbanilic acid n. an acid now usually called phenylcarbamic acid and known only in the form of substituted derivatives; any of these derivatives.Formula: C₆H₅·NHCOOH. ΚΠ 1849 tr. G. Chancel in Chem. Gaz. 7 190 The carbanilic acid is deposited on cooling in orange-coloured crystals, which are purified by recrystallization. 1850 Chem. Gaz. 8 246 (heading) Carbanilethane, or carbanilic æther of alcohol. 1853 D. Breed tr. C. Löwig Princ. Org. & Physiol. Chem. 360 The substance formerly described as anthranilic acid is probably carbanilic acid. 1923 Jrnl. Amer. Chem. Soc. 45 478 (heading) Trichloromethyl-dimethyl carbinol ester of carbanilic acid. 1965 Science 9 July 191/2 Esters of certain carbanilic acids have been known for many years as regulators of plant growth. 1989 Jrnl. Agric. & Food Chem. 37 169/1 Carbanilic acid aliphatic esters..are selective pre- and postemergence herbicides. carbanilide n. Brit. /ˌkɑːˈbanᵻlʌɪd/ , /ˌkɑːˈbanl̩ʌɪd/ , /ˌkɑːbəˈnɪlʌɪd/ , U.S. /ˌkɑrˈbænəˌlaɪd/ , /ˌkɑrbəˈnɪlaɪd/ [ < carbo- comb. form + anil n. + -ide suffix] a crystalline solid obtained as a by-product in the preparation of phenylurea from aniline and urea and now usually called diphenylurea; any substituted derivative of this.Formula: (C₆H₅·NH)₂CO. ΚΠ 1846 A. W. Hofmann in Lancet 21 Feb. 222/1 A white crystalline mass, which, by the action of water, was resolved into hydrochlorate of aniline and carbanilide. 1907 J. B. Cohen Org. Chem. Adv. Students I. 148 The behaviour of carbanilide compounds of the aldoximes can also be employed for determining configuration. 1955 Science 5 Aug. 244/3 Molecular complexes of certain substituted carbanilides possess antiparasitic activity. 1999 Amer. Jrnl. Bot. 86 1645 Carbanilide (diphenylurea or DPU), an active cytokinin in other systems, induces very few buds in Funaria. carbazotate n. Brit. /ˌkɑːˈbazəteɪt/ , U.S. /ˌkɑrˈbæzəˌteɪt/ = picrate n. ΚΠ 1827 A. Fyfe Elements Chem. II. 350 The compounds of carbazotic acid and bases, called carbazotates, vary in their properties according to the base. 1883 Lancet 28 Apr. 752/2 Picrate, or, as it is more generally called, carbazotate of ammonia. 1957 N. I. Sax Dangerous Prop. Industr. Materials x. 283/2 Ammonium picrate... Synonyms; Ammonium carbazotate. carbazotic adj. Brit. /ˌkɑːbəˈzɒtɪk/ , U.S. /ˌkɑrbəˈzɑdɪk/ [ < carbo- comb. form + azotic adj., after French carbazotique (in acide carbazotique: J. Liebig 1827, in Ann. de chimie et de physique 35 81)] now historical carbazotic acid n. = picric acid n. at picric adj. ΚΠ 1827 A. Fyfe Elements Chem. II. 350 The compounds of carbazotic acid and bases, called carbazotates, vary in their properties according to the base. 1876 R. Routledge Discov. & Inventions 19th Cent. 573 The final result of the action of nitric acid on phenol is picric acid, called also ‘carbazotic acid’, and, more systematically, ‘tri-nitro-phenol’. 1960 Isis 51 245/2 Diversity of opinion on the composition of carbazotic acid (later called picric acid) seemed to strain their friendship. carbocyclic adj. Brit. /ˌkɑːbə(ʊ)ˈsʌɪklɪk/ , /ˌkɑːbə(ʊ)ˈsɪklɪk/ , U.S. /ˌkɑrboʊˈsaɪklɪk/ , /ˌkɑrboʊˈsɪklɪk/ designating a ring of carbon atoms, with no hetero-atoms; (of a molecule or compound) containing such a ring. ΘΚΠ the world > matter > chemistry > organic chemistry > [adjective] > organic structure > cyclic or ring compounds > carbo-cyclic carbocyclic1899 1899 Jrnl. Chem. Soc. 76 i. 59 (heading) Formation of carbocyclic compounds from 1:5- and 1:6-diketones by converting them into their pinacones. 1954 T. Vickerstaff Physical Chem. Dyeing (ed. 2) ix. 287 Several carbocyclic quinones and some vat dyes were reduced catalytically with hydrogen. 1981 P. Sykes Guidebk. to Mechanism in Org. Chem. (ed. 5) i. 18 The ring structure need not be purely carbocyclic, and pyridine,..with a nitrogen atom in the ring..is as highly stabilised as benzene. 2004 Proc. National Acad. Sci. U.S.A. 101 12064/1 The structure..comprises..two six-membered ring systems, one carbocyclic and the other heterocyclic. carbo-dynamite n. Brit. /ˌkɑːbə(ʊ)ˈdʌɪnəmʌɪt/ , /ˌkɑːbə(ʊ)ˈdɪnəmʌɪt/ , U.S. /ˌkɑrboʊˈdaɪnəˌmaɪt/ now disused an explosive resembling dynamite, in which fine charcoal is used as the absorbent. ΘΚΠ society > occupation and work > materials > derived or manufactured material > explosive material > [noun] > other specific explosives powdera1393 gunpowder1411 saltpetre1501 petre1586 halinitre1608 sal-prunella1664 petre-salt1708 xyloidin1838 gun-cotton1846 pyroxyle1847 pyroxylin1847 pyroglycerin1850 xylidine1850 nitroglycerine1852 gun-sawdust1853 picrate1854 trinitroglycerin1864 nitroleum1866 trinitrin1866 dynamite1867 giant-powder1872 dualin1874 fulgurite1874 rendrock1874 glyoxilin1875 lithofracteur1875 trinitro-cellulose1875 white gunpowder1875 gelatin1878 cotton-powder1879 vigorite1879 blasting gelatine1881 Hercules powder1881 saxifragine1881 tonite1881 dynamogen1882 forcite1883 haloxylin1883 jelly powdera1884 nitro-gelatinea1884 panclastite1883 potentite1883 sebastinea1884 kolloxylin1884 hellhoffite1885 rackarock1885 securite1886 kinetite1887 roburite1887 carbo-dynamite1888 fortis1889 gelatine dynamite1889 gelignite1889 seranine1889 straw-dynamite1889 carbonite1890 amberite1891 nitro powder1892 Schnebelite1893 westfalite1894 thorite1899 soup1902 ammonal1903 cheddite1908 trinitrotoluene1908 Samsonite1909 tolite1909 trinitrotoluol1910 trotyl1910 glyceryl trinitrate1912 T.N.T.1915 nitro1916 amatol1918 cyclonite1923 hexogen1923 lox1923 pentaerythritol tetranitrate1923 hexite1931 aurantia1940 jelly1941 RDX1941 1888 Chem. Trade Jrnl. 2 329/2 A very successful series of experiments have been carried out at Treherbert, Rhondda Valley, South Wales, with a new explosive known as carbo-dynamite. It is the invention of Mr. W. F. Reid and Mr. W. D. Borland. 1890 Mitchell (S. Dakota) Daily Republican 30 Dec. 11/4 Carbo-dynamite..possesses some important advantages over ordinary dynamite. 1917 G. Martin & W. Barbour Industr. Nitrogen Compounds & Explosives (ed. 2) ix. 97 Among dynamites with combustible absorbents may be mentioned Reid and Borland's carbo-dynamite in which burnt cork charcoal is used. carbo-hydrogen n. Brit. /ˌkɑːbə(ʊ)ˈhʌɪdrədʒ(ə)n/ , U.S. /ˌkɑrboʊˈhaɪdrədʒən/ †(a) a compound or radical having the formula CH (or a multiple thereof) (obsolete); (b) any compound of carbon and hydrogen; = hydrocarbon n. (now rare). ΚΠ 1828 London Jrnl. Arts & Sci. 14 107 Hence Dr. T[h]omson calls it the Sesqui-chloride of Carbo-hydrogen. 1839 Philos. Trans. (Royal Soc.) 129 295 The similar excess both of carbon and hydrogen in the resin..would imply the presence of a volatile carbo-hydrogen. 1885 C. S. Sargent Woods of U.S. 120 Abietine, a volatile carbo-hydrogen possessing powerful anæsthetic properties, is obtained by distilling the resinous exudation of this species [sc. Pinus Jeffreyi]. 1886 Science 11 June 528/2 The five series of lines in the low-temperature spectrum of carbo-hydrogen. 2000 Futurist (Nexis) 1 Nov. 50 One scientist has figured out how to extract burnable ‘carbo-hydrogen’ gas from almost any biomass solution. carbohydrous adj. Brit. /ˌkɑːbə(ʊ)ˈhʌɪdrəs/ , U.S. /ˌkɑrboʊˈhaɪdrəs/ now rare relating to or containing carbon and water, or carbohydrates. ΚΠ 1881 Ann. Rep. Smithsonian Inst. 393 The carbohydrous material which is present in the plant. 1892 Jrnl. Mental Sci. 38 393 Concerning the diet of the patients, it..is more of a carbohydrous nature than a nitrogenous, starch, sugar, and fats entering largely into its composition. 1935 C. G. Shaw Logic vi. 104 What we seem to have in an organism is a system of oxidization, alimentation, carbohydrous repair, and reproduction. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online June 2022). < comb. form1813
随便看	cornchandlery corncity cornclad corncleaner corncob corncob pipe corncob shell corncobs corncockle corncockles corncolour corncoloured corncoverer corncracker corncrake corncrake fly corncrake-like corncrakelike corncraker corncrakes corncrib corncribs corncrop corncrusher corncultivator