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Paris green

(Encyclopedia)Paris green, also called Schweinfurt green, an extremely poisonous, bright green powder that was formerly used extensively as a pigment (e.g., in wallpaper) and that is sometimes used as an insecticid...

retable

(Encyclopedia)retable rēˈtābəl [key], frame for decorative panels at the back of an altar in European churches. Retables, often sumptuously decorated in alabaster and gold, generally contained scenes from the B...

concentration

(Encyclopedia)concentration, in chemistry, measure of the relative proportions of two or more quantities in a mixture. The concentration of a solute is very important in studying chemical reactions because it deter...

colon cancer

(Encyclopedia)colon cancer, cancer of any part of the colon (often called the large intestine). Colon cancer is the second most common cancer diagnosed in the United States. Epidemiological evidence has shown that ...

Alzheimer's disease

(Encyclopedia)Alzheimer's disease ălsˈhīˌmərz, ôls– [key], degenerative disease of nerve cells in the cerebral cortex that leads to atrophy of the brain and senile dementia and, ultimately, death. The disea...

infarction

(Encyclopedia)infarction, blockage of blood circulation to a localized area or organ of the body resulting in tissue death. Infarctions commonly occur in the spleen, kidney, lungs, brain, and heart. The acute emerg...

trust

(Encyclopedia)trust, in law, arrangement whereby property legally owned by one person is administered for the benefit of another. Three parties are ordinarily needed for the relation to arise: the settlor, who bequ...

arbitration

(Encyclopedia)arbitration, industrial, method of settling disputes between two parties by seeking and accepting the decision of a third party. Arbritration differs from mediation in that the arbritrator does not at...

instrumental

(Encyclopedia)instrumental, in the grammar of certain languages (e.g., Russian), the case referring to means or instrument. The Latin ablative may in some instances be termed instrumental. ...

Humbert II

(Encyclopedia)Humbert II, 1904–83, last king of Italy (1946), son and successor of Victor Emmanuel III. On the abdication (May, 1946) of his father, who was tainted by his long acquiescence (1922–43) to Fascist...