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al, wood coal. See Lignite. -- Brown hematite or Brown iron ore (Min.), the hydrous iron oxide, limonite, which has a brown streak. See Limonite. -- Brown holland. See under Holland. -- Brown paper, dark colored paper, esp. coarse wrapping paper, made of unbleached materials. -- Brown spar (Min.), a ferruginous var…

ause to combine with oxygen or other active agent, with evolution of heat; to consume; to oxidize; as, a man burns a certain amount of carbon at each respiration; to burn iron in oxygen. To burn, To burn together, as two surfaces of metal (Engin.), to fuse and unite them by pouring over them a quantity of the same meta…

codylic acid, a white, crystalline, deliquescent substance, (CH3)2AsO.OH, obtained by the oxidation of cacodyl, and having the properties of an exceedingly stable acid; -- also called alkargen.

An oxide of zinc which collects on the sides of furnaces where zinc is sublimed. Formerly applied to the mineral calamine.

Tending to form, or to become, a calx or earthlike substance on being oxidized or burnt; as magnesium, calcium. etc.

The act or process of reducing a metal to an oxide or metallic calx; oxidation.

To oxidize, as a metal by the action of heat; to reduce to a metallic calx.

eing rich in carbon, as the fats, are supposed to give rise to heat in the animal body by oxidation.

m, camphor. Camphoric acid, a white crystallizable substance, C10H16O4, obtained from the oxidation of camphor.

assive, generally of a yellow color, containing silica, alumina, lime, soda, and carbon dioxide.

To waste away, grow rusty, or be oxidized, as a mineral. [Obs.] Silvering will sully and canker more than gliding. Bacom.

soft, and occurs in hexagonal prisms or tables. When united with oxygen it forms carbon dioxide, commonly called carbonic acid, or carbonic oxide, according to the proportions of the oxygen; when united with hydrogen, it forms various compounds called hydrocarbons. Compare Diamond, and Graphite. Carbon compounds, Compo…

Of, pertaining to, or obtained from, carbon; as, carbonic oxide. Carbonic acid (Chem.), an acid H2CO3, not existing separately, which, combined with positive or basic atoms or radicals, forms carbonates. On common language the term is very generally applied to a compound of carbon and oxygen, CO2, more correctly called…

and measuring the amount of carbon which is present, or more esp. the amount of carbon dioxide, by its action on limewater or by other means.

Native tin dioxide; tin stone; a mineral occurring in tetragonal crystals of reddish brown color, and brilliant adamantine luster; also massive, sometimes in compact forms with concentric fibrous structure resembling wood (wood tin), also in rolled fragments or pebbly (Stream tin). It is the chief source of metallic ti…

-- Caustic lime. See under Lime. -- Caustic potash, Caustic soda (Chem.), the solid hydroxides potash, KOH, and soda, NaOH, or solutions of the same. -- Caustic silver, nitrate of silver, lunar caustic. -- Caustic surface (Optics), a surface to which rays reflected or refracted by another surface are tangents. Caus…

Cerium oxide, CeO2, a white infusible substance constituting about one per cent of the material of the common incandescent mantle.

or reactions. Chemosynthesis of carbohydrates occurs in the nitrite bacteria through the oxidation of ammonia to nitrous acid, and in the nitrate bacteria through the conversion of nitrous into nitric acid. -- Chem`o*syn*thet"ic (#), a.

. It is abundant in nature, the most important compound being common salt. It is powerful oxidizing, bleaching, and disinfecting agent. Symbol Cl. Atomic weight, 35.4. Chlorine family, the elements fluorine, chlorine, bromine, and iodine, called the halogens, and classed together from their common peculiariries.…

s regarded as a double sulphate of chromium and potassium. -- Chrome green (a) The green oxide of chromium, Cr2O3, used in enamel painting, and glass staining. (b) A pigment made by mixing chrome yellow with Prussian blue. -- Chrome red, a beautiful red pigment originally prepared from the basic chromate of lead, but…