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Bolzano, Bernard

(Encyclopedia) Bolzano, BernardBolzano, Bernardbōltsäˈnō [key], 1781–1848, Czech philosopher, mathematician, and theologian. Though as a Catholic priest he himself was primarily concerned with…

stamp tax

(Encyclopedia) stamp tax, method of collecting duties on certain transactions by means of a validating stamp attached to the taxable instrument, which may be a judicial act, a commercial document, a…

tourniquet

(Encyclopedia) tourniquettourniquett&oobreve;rˈnĭkĕt, –kā, tûrˈ– [key], compression device used to cut off the flow of blood to a part of the body, most often an arm or leg. It may be a special…

Hor

(Encyclopedia) Hor, in the Bible, unlocated mountain, on the boundary of Edom, the place of Aaron's death. It was traditionally identified with Jabal Harun, a mountain in SW Jordan, but it does not…

Oxford sheep

(Encyclopedia) Oxford sheep, relatively large-bodied, hornless breed developed in England using crosses between Hampshire and Cotswold sheep. The breed was selected for size and productivity. It has…

hedgehog

(Encyclopedia) hedgehog, Old World insectivorous mammal of the family Erinaceidae. The spiny hedgehogs are found in Africa and Eurasia, except SE Asia. They have rounded bodies up to 13 in. (33 cm)…

louse

(Encyclopedia) louse, common name for members of either of two distinct orders of wingless, parasitic, disease-carrying insects. Lice of both groups are small and flattened with short legs adapted…

Embargo Act of 1807

(Encyclopedia) Embargo Act of 1807, passed Dec. 22, 1807, by the U.S. Congress in answer to the British orders in council restricting neutral shipping and to Napoleon's restrictive Continental System…

free energy

(Encyclopedia) free energy or Gibbs free energy, quantity derived from the relationships between heat and work studied in thermodynamics and used as a measure of the relative stability of a physical…

syllogism

(Encyclopedia) CE5 Categorical syllogism: Venn diagram syllogism, a mode of argument that forms the core of the body of Western logical thought. Aristotle defined syllogistic logic, and his…