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Explosion :: Explosion (n.) The act of exploding; detonation; a chemical action which causes the sudden formation of a great volume of expanded gas; as, the explosion of gunpowder, of fire damp,etc..

Paraffine :: Paraffine (n.) A white waxy substance, resembling spermaceti, tasteless and odorless, and obtained from coal tar, wood tar, petroleum, etc., by distillation. It is used as an illuminant and lubricant. It is very inert, not being acted upon by most of the strong chemical reagents. It was formerly regarded as a definite compound, but is now known to be a complex mixture of several higher hydrocarbons of the methane or marsh-gas series; hence, by extension, any substance, whether solid, liquid, or

Diazotize :: Diazotize (v. t.) To subject to such reactions or processes that diazo compounds, or their derivatives, shall be produced by chemical exchange or substitution..

Petrology :: Petrology (n.) The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology..

Phosphorus :: Phosphorus (n.) A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, -- whence its name. It always occurs compined, usually in phosphates, as in the mineral apatite, in bones, etc. It is used in the composition on the tips of friction matches, and for man

Garnet :: Garnet (n.) A mineral having many varieties differing in color and in their constituents, but with the same crystallization (isometric), and conforming to the same general chemical formula. The commonest color is red, the luster is vitreous, and the hardness greater than that of quartz. The dodecahedron and trapezohedron are the common forms..

Thermochemistry :: Thermochemistry (n.) That branch of chemical science which includes the investigation of the various relations existing between chemical action and that manifestation of force termed heat, or the determination of the heat evolved by, or employed in, chemical actions..

Generator :: Generator (n.) An apparatus in which vapor or gas is formed from a liquid or solid by means of heat or chemical process, as a steam boiler, gas retort, or vessel for generating carbonic acid gas, etc..

Varnish :: Varnish (n.) A viscid liquid, consisting of a solution of resinous matter in an oil or a volatile liquid, laid on work with a brush, or otherwise. When applied the varnish soon dries, either by evaporation or chemical action, and the resinous part forms thus a smooth, hard surface, with a beautiful gloss, capable of resisting, to a greater or less degree, the influences of air and moisture..

Physical :: Physical (a.) Perceptible through a bodily or material organization; cognizable by the senses; external; as, the physical, opposed to chemical, characters of a mineral..

Keratin :: Keratin (n.) A nitrogenous substance, or mixture of substances, containing sulphur in a loose state of combination, and forming the chemical basis of epidermal tissues, such as horn, hair, feathers, and the like. It is an insoluble substance, and, unlike elastin, is not dissolved even by gastric or pancreatic juice. By decomposition with sulphuric acid it yields leucin and tyrosin, as does albumin. Called also epidermose..

Bi- :: Bi- () In the composition of chemical names bi- denotes two atoms, parts, or equivalents of that constituent to the name of which it is prefixed, to one of the other component, or that such constituent is present in double the ordinary proportion; as, bichromate, bisulphide. Be- and di- are often used interchangeably..

Metastasis :: Metastasis (n.) The act or process by which matter is taken up by cells or tissues and is transformed into other matter; in plants, the act or process by which are produced all of those chemical changes in the constituents of the plant which are not accompanied by a production of organic matter; metabolism..

Spagyrical :: Spagyrical (a.) Chemical; alchemical.

Process :: Process (n.) A series of actions, motions, or occurrences; progressive act or transaction; continuous operation; normal or actual course or procedure; regular proceeding; as, the process of vegetation or decomposition; a chemical process; processes of nature..

Chemistry :: Chemistry (n.) An application of chemical theory and method to the consideration of some particular subject; as, the chemistry of iron; the chemistry of indigo..

Attenuate :: Attenuate (v. t.) To make thin or slender, as by mechanical or chemical action upon inanimate objects, or by the effects of starvation, disease, etc., upon living bodies..

Bond :: Bond (n.) A unit of chemical attraction; as, oxygen has two bonds of affinity. It is often represented in graphic formulae by a short line or dash. See Diagram of Benzene nucleus, and Valence..

Physicochemical :: Physicochemical (a.) Involving the principles of both physics and chemistry; dependent on, or produced by, the joint action of physical and chemical agencies..

Sequence :: Sequence (n.) Simple succession, or the coming after in time, without asserting or implying causative energy; as, the reactions of chemical agents may be conceived as merely invariable sequences..

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