Definition of 12. Meaning of 12. Synonyms of 12

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Definition of 12

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C10H12O2
Eugenol Eu"ge*nol, n. [Eugenia + -ol.] (Chem.) A colorless, aromatic, liquid hydrocarbon, C10H12O2 resembling the phenols, and hence also called eugenic acid. It is found in the oils of pimento and cloves.
C11H12O5
Sinapic Sin"a*pic, a. (Chem.) Of or pertaining to sinapine; specifically, designating an acid (C11H12O5) related to gallic acid, and obtained by the decomposition of sinapine, as a white crystalline substance.
C12H13NO3
Cotarnine Co*tar"nine (k?-t?r"n?n or -n?n), n. [F., fr. narcotine, by transposition of letters.] (Chem.) A white, crystalline substance, C12H13NO3, obtained as a product of the decomposition of narcotine. It has weak basic properties, and is usually regarded as an alkaloid.
C12H19N7
Viridine Vir"i*dine, n. [L. viridis green.] (Chem.) A greenish, oily, nitrogenous hydrocarbon, C12H19N7, obtained from coal tar, and probably consisting of a mixture of several metameric compounds which are higher derivatives of the base pyridine.
C12H24O2
Lauric Lau"ric, a. Pertaining to, or derived from, the European bay or laurel (Laurus nobilis). Lauric acid (Chem.), a white, crystalline substance, C12H24O2, resembling palmitic acid, and obtained from the fruit of the bay tree, and other sources.
C12H26
Dodecane Do"de*cane, n. [Gr. ? twelve.] (Chem.) Any one of a group of thick oily hydrocarbons, C12H26, of the paraffin series.
C12H4N2O8
Euchroic Eu*chro"ic, a. [Gr. ? well-colored; ? well + ? color.] (Chem.) Having a fine color. Euchroic acid (Chem.), an organic, imide acid, obtained as a colorless crystalline substance, C12H4N2O8 by heating an ammonium salt of mellitic acid. By reduction it is changed to a dark blue substance (euchrone), -- hence its name.
C12H8N2
Phenanthroline Phe*nan"thro*line, n. [Phenanthrene + quinoline.] (Chem.) Either of two metameric nitrogenous hydrocarbon bases, C12H8N2, analogous to phenanthridine, but more highly nitrogenized.
C12H8NH
Carbazol Car"ba*zol, n. [Carbon + azo + -ol.] (Chem.) A white crystallized substance, C12H8NH, derived from aniline and other amines.
C13H12N2O
Flavine Fla"vine (?; 104), n. (Chem.) A yellow, crystalline, organic base, C13H12N2O, obtained artificially.
C14H12
Stilbene Stil"bene, n. [See Stilbite.] (Chem.) A hydrocarbon, C14H12, produced artificially in large, fine crystals; -- called also diphenyl ethylene, toluylene, etc.
C14H12O2
Benzoin Ben*zoin" (b[e^]n*zoin"), n. [Cf. F. benjoin, Sp. benjui, Pg. beijoin; all fr. Ar. lub[=a]n-j[=a]w[=i] incense form Sumatra (named Java in Arabic), the first syllable being lost. Cf. Benjamin.] Note: [Called also benjamin.] 1. A resinous substance, dry and brittle, obtained from the Styrax benzoin, a tree of Sumatra, Java, etc., having a fragrant odor, and slightly aromatic taste. It is used in the preparation of benzoic acid, in medicine, and as a perfume. 2. A white crystalline substance, C14H12O2, obtained from benzoic aldehyde and some other sources. 3. (Bot.) The spicebush (Lindera benzoin). Flowers of benzoin, benzoic acid. See under Benzoic.
C16H12O5
brasilein ra*sil"e*in, C16H12O5, to which brazilwood owes its dyeing properties. Brasque Brasque, n. [F.] (Metal.) A paste made by mixing powdered charcoal, coal, or coke with clay, molasses, tar, or other suitable substance. It is used for lining hearths, crucibles, etc. Called also steep.
C16H12O6
Hematein Hem`a*te"in, n. [Gr. ?, ?, blood.] (Chem.) A reddish brown or violet crystalline substance, C16H12O6, got from hematoxylin by partial oxidation, and regarded as analogous to the phthaleins.
C18H12
Chrysene Chry"sene, n. [Gr. chryso`s gold.] (Chem.) One of the higher aromatic hydrocarbons of coal tar, allied to naphthalene and anthracene. It is a white crystalline substance, C18H12, of strong blue fluorescence, but generally colored yellow by impurities.
C20H12O5
Fluorescein Flu`o*res"ce*in, n. (Chem.) A yellowish red, crystalline substance, C20H12O5, produced by heating together phthalic anhydride and resorcin; -- so called, from the very brilliant yellowish green fluorescence of its alkaline solutions. It has acid properties, and its salts of the alkalies are known to the trade under the name of uranin.
C4H12N2
Putrescin Pu*tres"cin, n. (Physiol. Chem.) A nontoxic diamine, C4H12N2, formed in the putrefaction of the flesh of mammals and some other animals.
C5H12
Pentane Pen"tane, n. [See Penta-.] (Chem.) Any one of the three metameric hydrocarbons, C5H12, of the methane or paraffin series. They are colorless, volatile liquids, two of which occur in petroleum. So called because of the five carbon atoms in the molecule.
C6H12
Hexylene Hex"yl*ene, n. [Hex- + -yl + ethlene.] (Chem.) A colorless, liquid hydrocarbon, C6H12, of the ethylene series, produced artificially, and found as a natural product of distillation of certain coals; also, any one several isomers of hexylene proper. Called also hexene.
C6H12O6
Dextrose Dex"trose`, n. [See Dexter.] (Chem.) A sirupy, or white crystalline, variety of sugar, C6H12O6 (so called from turning the plane of polarization to the right), occurring in many ripe fruits. Dextrose and levulose are obtained by the inversion of cane sugar or sucrose, and hence called invert sugar. Dextrose is chiefly obtained by the action of heat and acids on starch, and hence called also starch sugar. It is also formed from starchy food by the action of the amylolytic ferments of saliva and pancreatic juice.
C6H12O6
Carbohydrate Car`bo*hy"drate, n. [Carbon + hydrate.] (Physiol. Chem.) One of a group of compounds including the sugars, starches, and gums, which contain six (or some multiple of six) carbon atoms, united with a variable number of hydrogen and oxygen atoms, but with the two latter always in proportion as to form water; as dextrose, C6H12O6.
C6H12O6
Galactose Ga*lac"tose, n. (Chem.) A white, crystalline sugar, C6H12O6, isomeric with dextrose, obtained by the decomposition of milk sugar, and also from certain gums. When oxidized it forms mucic acid. Called also lactose (though it is not lactose proper).
C6H12O6H2O
Inosite In"o*site, n. [Gr. ?, ?, strength, muscle.] (Physiol. Chem.) A white crystalline substance with a sweet taste, found in certain animal tissues and fluids, particularly in the muscles of the heart and lungs, also in some plants, as in unripe pease, beans, potato sprouts, etc. Called also phaseomannite. Note: Chemically,it has the composition represented by the formula, C6H12O6+H2O, and was formerly regarded as a carbohydrate, isomeric with dextrose, but is now known to be an aromatic compound (a hexacid phenol derivative of benzene).
C7H12
Heptine Hep"tine, n. [Heptane + -ine.] (Chem.) Any one of a series of unsaturated metameric hydrocarbons, C7H12, of the acetylene series.
C8H12O4
Xeronic Xe*ron"ic, a. [Gr. ? dry + citraconic.] (Chem.) Pertaining to, or designating, an acid, C8H12O4, related to fumaric acid, and obtained from citraconic acid as an oily substance having a bittersweet taste; -- so called from its tendency to form its anhydride.
C8H12O4
Terpenylic Ter`pe*nyl"ic, a. [Terpene + -yl + -ic.] (Chem.) Of, pertaining to, or designating, an acid, C8H12O4 (called also terpentic acid), homologous with terebic acid, and obtained as a white crystalline substance by the oxidation of oil of turpentine with chromic acid.
C9H12O5
Camphoric Cam*phor"ic, a. [Cf. F. camphorique.] (Chem.) Of, pertaining to, or derived from, camphor. Camphoric acid, a white crystallizable substance, C10H16O4, obtained from the oxidation of camphor. Note: Other acid of camphor are campholic acid, C10H18O2, and camphoronic acid, C9H12O5, white crystallizable substances.
Co2Cl6NH312
Luteocobaltic Lu"te*o*co*balt"ic, a. (Chem.) Pertaining to, or designating, certain compounds of cobalt having a yellow color. Cf. Cobaltic. Luteocobaltic chloride (Chem.), a brilliant reddish yellow crystalline compound, Co2Cl6(NH3)12, obtained by the action of ammonium chloride on an ammoniacal solution of cobaltic chloride.
H6CN12Fe2
Ferricyanic Fer`ri*cy*an"ic, a. [Ferri- + cyanic.] (Chem.) Pertaining to, or derived from, a ferricyanide. Ferricyanic acid (Chem.), a brown crystalline substance, H6(CN)12Fe2, obtained from potassium ferricyanide, and regarded as the type of the ferricyanides; -- called also hydro-ferricyanic acid, hydrogen ferricyanide, etc.

Meaning of 12 from wikipedia

- dictionary. Twelve or 12 may refer to: 12 (number) December, the twelfth and final month of the year Dozen, a group of twelve. 12 BC AD 12 1912 2012 Twelve...
- MR 3005530. Zbl 1285.11001. Archived from the original on 2023-12-16. Retrieved 2023-12-16. Chicago, University of (1993). The Chicago Manual of Style...
- refer to: 12×12=144, a common times tables size in the English-speaking world Twelve wheel drive (12x12), a vehicle configuration with 12 wheels, all...
- 12.12: The Day (Korean: 서울의 봄; RR: Seour-ui Bom; lit. Seoul's Spring) is a 2023 South Korean historical drama film directed by Kim Sung-su, starring Hwang...
- The iPhone 12 and iPhone 12 Mini (stylized and marketed as iPhone 12 mini) are smartphones developed and marketed by Apple Inc. They are the fourteenth-generation...
- U+24FF 1 L2/01-480 Muller, Eric (2001-12-14), Proposal to add NEGATIVE CIRCLED DIGIT ZERO L2/02-193 Muller, Eric (2001-12-14), Proposal to add Negative Circled...
- on August 12, 2024. Retrieved August 12, 2024. "Elon Musk: A timeline of his most recent controversial moments". Sky News. Retrieved August 12, 2024. "Elon...
- 12 Strong (also known as 12 Strong: The Declassified True Story of the Horse Soldiers) is a 2018 American action-war film directed by Nicolai Fuglsig...
- The AK-12 (Russian: "Avtomat Kalashnikova, 2012" – GRAU index 6P70) is a Russian gas-operated ****ault rifle chambered in 5.45×39mm, designed and manufactured...
- The SS.12 and AS.12 are two variants of the same missile: SS for surface-to-surface and AS for air-to-surface. It was designed in 1955–1957 by Nord Aviation...