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Effloresce :: Effloresce (v. i.) To become covered with a whitish crust or light crystallization, from a slow chemical change between some of the ingredients of the matter covered and an acid proceeding commonly from an external source; as, the walls of limestone caverns sometimes effloresce with nitrate of calcium in consequence of the action in consequence of nitric acid formed in the atmosphere..

Develop :: Develop (v. t.) To cause to become visible, as an invisible or latent image upon plate, by submitting it to chemical agents; to bring to view..

Bathybius :: Bathybius (n.) A name given by Prof. Huxley to a gelatinous substance found in mud dredged from the Atlantic and preserved in alcohol. He supposed that it was free living protoplasm, covering a large part of the ocean bed. It is now known that the substance is of chemical, not of organic, origin..

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..

Neutralize :: Neutralize (v. t.) To render inert or imperceptible the peculiar affinities of, as a chemical substance; to destroy the effect of; as, to neutralize an acid with a base..

Suspend :: Suspend (n.) To support in a liquid, as an insoluble powder, by stirring, to facilitate chemical action..

Logometric :: Logometric (a.) Serving to measure or ascertain chemical equivalents; stoichiometric.

Sponginess :: Spongin (n.) The chemical basis of sponge tissue, a nitrogenous, hornlike substance which on decomposition with sulphuric acid yields leucin and glycocoll..

Actinism :: Actinism (n.) The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography..

Tyrosin :: Tyrosin (n.) A white crystalline nitrogenous substance present in small amount in the pancreas and spleen, and formed in large quantity from the decomposition of proteid matter by various means, -- as by pancreatic digestion, by putrefaction as of cheese, by the action of boiling acids, etc. Chemically, it consists of oxyphenol and amidopropionic acid, and by decomposition yields oxybenzoic acid, or some other benzol derivative..

Phlogiston :: Phlogiston (n.) The hypothetical principle of fire, or inflammability, regarded by Stahl as a chemical element..

Retort :: Retort (v. t.) A vessel in which substances are subjected to distillation or decomposition by heat. It is made of different forms and materials for different uses, as a bulb of glass with a curved beak to enter a receiver for general chemical operations, or a cylinder or semicylinder of cast iron for the manufacture of gas in gas works..

Photochemical :: Photochemical (a.) Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina..

Sarcosin :: Sarcosin (n.) A crystalline nitrogenous substance, formed in the decomposition of creatin (one of the constituents of muscle tissue). Chemically, it is methyl glycocoll..

Chromophore :: Chromophore (n.) Any chemical group or residue (as NO2; N2; or O2) which imparts some decided color to the compound of which it is an ingredient.

Inhume :: Inhume (v. t.) To bury or place in warm earth for chemical or medicinal purposes.

Coagulate :: Coagulate (v. t.) To cause (a liquid) to change into a curdlike or semisolid state, not by evaporation but by some kind of chemical reaction; to curdle; as, rennet coagulates milk; heat coagulates the white of an egg..

Ammonium :: Ammonium (n.) A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals..

Caustical :: Caustical (a.) Capable of destroying the texture of anything or eating away its substance by chemical action; burning; corrosive; searing.

Ash-fire :: Ash-fire (n.) A low fire used in chemical operations.

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