| BCW | biological and chemical warfare |
|---|---|
| CA | anterior commissure [Lat. commissura anterior]; calcium antagonist; California [rabbit]; cancer; Can... |
| CAS | calcarine sulcus; calcific aortic stenosis; Cancer Attitude Survey; carbohydrate-active steroid; car... |
| CAS-REGN | Chemical Abstracts Service Registry Number |
| CBR | carbonyl reductase; chemical, biological, and radiological [warfare]; chemically-bound residue; chro... |
chemical mediator
| chemical equilibrium | <chemistry> A state in a reversible chemical reaction at which the reactants are turning into products at the same rate as the products are turning back into the reactants, so that the amounts of each reactant and product remains constant. (09 Oct 1997) |
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| chemical evolution | The theory of the process by which life arose from inorganic matter. (05 Mar 2000) |
| chemical eye injuries | <ophthalmology> There are basically two types of chemical eye injury: acids and bases, with the latter being more severe. Alkali injury to the eye results in a penetrating injury known as liquefaction necrosis. Acid injury results in coagulation necrosis. Both injuries require immediate copious eye irrigation with water in addition to medical attention. (05 Jan 1998) |
| chemical formula | <chemistry> A represention of the elemental composition of a species, subscripts are used to indicate the relative numbers of atoms of each kind of element present. (09 Oct 1997) |
| chemical industry | The aggregate enterprise of manufacturing and technically producing chemicals. (12 Dec 1998) |
| chemical knife | Term sometimes used for restriction endonuclease. (05 Mar 2000) |
| chemical oxygen demand | The amount of dissolved oxygen required to combine with chemicals in wastewater. A measure of the oxygen equivalent of that portion of organic matter that is susceptible to oxidation by a strong chemical oxidizing agent. (05 Dec 1998) |
| chemical peel | A special plastic surgical procedure in which a chemical is applied to the face which removes the outer layer of the skin. This procedure is used to remove fine lines and wrinkles in the face. After a chemical peel the skin is usually very sensitive to sunlight exposure. (27 Sep 1997) |
| chemical peeling | Application of a cauterant to the skin for the purpose of causing a superficial destruction of the epidermis and upper layers of the dermis. After healing, the treated area has new epithelium. (12 Dec 1998) |
| chemical peritonitis | Peritonitis due to the escape of bile, contents of the gastrointestinal tract, or pancreatic juice into the peritoneal cavity; the contents of the fluid causes chemical injury, shock, and peritoneal exudation prior to occurrence of any associated infection. (05 Mar 2000) |
| chemical pneumonia | <chest medicine> Pneumonia caused by the inhalation of a toxic gas, such as phosgene or chlorine. (05 Jan 1998) |
| chemical potential | <chemistry> The work required (in j mol 1) to bring a molecule from a standard state (usually infinitely separated in a vacuum) to a specified concentration. More usually employed as chemical potential difference, the work required to bring one mole of a substance from a solution at one concentration to another at a different concentration, __ = RT.In (c2/cl). This definition is useful in studies of active transport, note that, for charged molecules, the electrical potential difference must also be considered (see electrochemical potential). (18 Nov 1997) |
| chemical prophylaxis | The administration of chemicals or drugs to members of a community to reduce the number of carriers of a disease and to prevent others contracting the disease. (05 Mar 2000) |
| chemical ray | A light ray toward and beyond the violet end of the spectrum that acts upon a photographic plate and produces other chemical effects. Synonym: chemical ray. (05 Mar 2000) |
| chemical reaction | <chemistry> A process in which one or more substances are changed chemically into one or more different substances. (09 Oct 1997) |
Synonyms : Terrorism, Chemical
Synonyms : Warfare, Chemical, Chemical Warfares, Warfares, Chemical
Synonyms : Agents, Chemical Warfare, Warfare Agents, Chemical
| chemical element |
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
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| chemical formula |
formula: a representation of a substance using symbols for its constituent elements
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| chemical energy |
that part of the energy in a substance that can be released by a chemical reaction
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| Chemical Mace |
Mace: (trademark) a liquid that temporarily disables a person; prepared as an aerosol and sprayed in the face, it irritates the eyes and causes dizziness and immobilization
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| chemically |
by the use of chemicals; "chemically fertilized" with respect to chemistry; "chemically different substances"
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| chemical | procedures involved in taking defensive measures against attacks using chemical agents |
|---|---|
| chemical | procedures involved in taking defensive measures against attacks using chemical agents |
| chemical | a mild form of diabetes mellitus in which there are no overt symptoms but there are abnormal responses to some diagnostic procedures |
| chemical | any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
| chemical | that part of the energy in a substance that can be released by a chemical reaction |
| chemical | the activity of applying chemistry to the solution of practical problems |
| chemical | the branch of engineering that is concerned with the design and construction and operation of the plants and machinery used in industrial chemical processes |
| chemical | a chemical reaction and its reverse proceed at equal rates |
| chemical | a representation of a substance using symbols for its constituent elements |
| chemical | (chemistry) two or more atoms bound together as a single unit and forming part of a molecule |
| chemical | a manufacturer of chemicals |
| chemical | a substance producing irritation |