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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..

Separation :: Separation (n.) Chemical analysis.

Platinum :: Platinum (n.) A metallic element, intermediate in value between silver and gold, occurring native or alloyed with other metals, also as the platinum arsenide (sperrylite). It is heavy tin-white metal which is ductile and malleable, but very infusible, and characterized by its resistance to strong chemical reagents. It is used for crucibles, for stills for sulphuric acid, rarely for coin, and in the form of foil and wire for many purposes. Specific gravity 21.5. Atomic weight 194.3. Symbol Pt. Fo

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..

Chemolysis :: Chemolysis (n.) A term sometimes applied to the decomposition of organic substance into more simple bodies, by the use of chemical agents alone..

Glycocoll :: Glycocoll (n.) A crystalline, nitrogenous substance, with a sweet taste, formed from hippuric acid by boiling with hydrochloric acid, and present in bile united with cholic acid. It is also formed from gelatin by decomposition with acids. Chemically, it is amido-acetic acid. Called also glycin, and glycocin..

Volumescope :: Volumescope (n.) An instrument consisting essentially of a glass tube provided with a graduated scale, for exhibiting to the eye the changes of volume of a gas or gaseous mixture resulting from chemical action, and the like..

Iatrochemistry :: Iatrochemistry (n.) Chemistry applied to, or used in, medicine; -- used especially with reference to the doctrines in the school of physicians in Flanders, in the 17th century, who held that health depends upon the proper chemical relations of the fluids of the body, and who endeavored to explain the conditions of health or disease by chemical principles..

Macro-chemistry :: Macro-chemistry (n.) The science which treats of the chemical properties, actions or relations of substances in quantity; -- distinguished from micro-chemistry..

Calorimeter :: Calorimeter (n.) An apparatus for measuring the amount of heat contained in bodies or developed by some mechanical or chemical process, as friction, chemical combination, combustion, etc..

Combination :: Combination (n.) The act or process of uniting by chemical affinity, by which substances unite with each other in definite proportions by weight to form distinct compounds..

Pharmacopoeia :: Pharmacopoeia (n.) A chemical laboratory.

Leucin :: Leucin (n.) A white, crystalline, nitrogenous substance formed in the decomposition of albuminous matter by pancreatic digestion, by the action of boiling dilute sulphuric acid, and by putrefaction. It is also found as a constituent of various tissues and organs, as the spleen, pancreas, etc., and likewise in the vegetable kingdom. Chemically it is to be considered as amido-caproic acid..

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..

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

Spagyrist :: Spagyrist (n.) One of a sect which arose in the days of alchemy, who sought to discover remedies for disease by chemical means. The spagyrists historically preceded the iatrochemists..

Absorption :: Absorption (n.) An imbibing or reception by molecular or chemical action; as, the absorption of light, heat, electricity, etc..

Distillable :: Distillable (a.) Capable of being distilled; especially, capable of being distilled without chemical change or decomposition; as, alcohol is distillable; olive oil is not distillable..

Chemical :: Chemical (n.) A substance used for producing a chemical effect; a reagent.

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