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compound |
Also found in: Dictionary/thesaurus, Financial, Encyclopedia, Wikipedia, Hutchinson | 0.03 sec. |
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compound /com·pound/ (kom´pownd) 1. made up of two or more parts or ingredients. 2. a substance made up of two or more materials. 3. in chemistry, a substance consisting of two or more elements in union. 4. to combine to form a whole; unite. clathrate compounds inclusion complexes in which molecules of one type are trapped within cavities of another substance, such as within a crystalline lattice structure or large molecule. inorganic compound a compound of chemical elements containing no carbon atoms. organic compound a compound of chemical elements containing carbon atoms. organometallic compound one in which carbon is linked to a metal. quaternary ammonium compound an organic compound containing a quaternary ammonium group, a nitrogen atom carrying a single positive charge bonded to four carbon atoms, e.g., choline.
compound, n 1. in chemistry, a distinct substance produced by chemical combination of two or more elements, the atoms of which are held together by chemical bonds. 2. in herbal medicine, a mixture of two or more herbs that act synergistically. See also element and molecule. compound, n 1. a combination of elements held together in a well-defined pattern by chemical bonds. In pharmacy, a mixture of drugs. 2. a thermoplastic substance used as a nonelastic impression material. compound A, B, E, F, S, n See corticoid, adrenal. compound cone, n a compound in the form of a cone or pyramid; used for impressions of individual preparations. compound, impression (modeling compound), n See compound. compound, intermetallic, n a compound of two metals in which the metals are only partially soluble in one another; exhibits a homogeneous grain structure, but the atoms do not intermingle randomly in all proportions. compound, modeling, n See compound, impression. compound, phenolic, n a mouthwash made from essential oils in combination with alcohol that is available over the counter and approved by the American Dental Association for use in controlling plaque and gingivitis. Also called essential oils mouthrinses. compound tracing stick, n a compound dispensed in stick form. compound, tray, n a compound similar to impression compound but with less flow and more viscosity when soft and more rigidity when chilled. compound 1. made up of diverse elements or ingredients. 2. a substance made up of two or more materials. 3. in chemistry, a substance made up of two or more elements in union. The elements are united chemically, which means that each of the original elements loses its individual characteristics once it has combined with the other element(s). compound 469 see isoflurane. compound 1080 see sodium fluoroacetate. compound 1081 see fluoroacetamide. compound granular corpuscle see gitter cells. compound interest rate the interest rate charged when compounding or discounting borrowed or loaned money. |
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Compound 1080 has been banned since 1972 because of evidence that it could accidentally kill animals other than coyotes, including endangered species and human beings. It also bans the use of Compound 1080 and sodium cyanide, two deadly poisons dangerous to wildlife, pets and the environment. |
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