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Klaproth, Martin Heinrich

(Encyclopedia) Klaproth, Martin HeinrichKlaproth, Martin Heinrichmärˈtēn hīnˈrĭkh kläpˈrōt [key], 1743–1817, German chemist. He is often referred to as the father of analytic chemistry. He recognized…

Herisau

(Encyclopedia) Herisau Herisau hāˈrĭzou [key], town, capital of Appenzell Ausser-Rhoden half canton, NE…

sweetbread

(Encyclopedia) sweetbread. The thymus gland (known as throat sweetbread) and the pancreas (stomach sweetbread), especially of the calf and lamb (although beef sweetbreads are sometimes eaten), are…

seaborgium

(Encyclopedia) seaborgiumseaborgiumsēbôrˈgēəm [key], artificially produced radioactive chemical element; symbol Sg; at. no. 106; mass number of most stable isotope 271; m.p., b.p., sp. gr., and…

Cushing, Luther Stearns

(Encyclopedia) Cushing, Luther Stearns, 1803–56, American lawyer, b. Lunenburg, Mass., grad. Harvard Law School, 1826. His best-known work is his short Manual of Parliamentary Practice (1844; many…

Mendeleev, Dmitri Ivanovich

(Encyclopedia) Mendeleev, Dmitri IvanovichMendeleev, Dmitri Ivanovichmĕndəlāˈəf, Rus. dəmēˈtrē ēväˈnəvĭch myĭndyĭlyāˈəf [key], 1834–1907, Russian chemist. He is famous for his formulation (1869) of…

Basque language

(Encyclopedia) Basque language, tongue of uncertain relationship spoken by close to a million people, most of whom live in NE Spain and some of whom reside in SW France. The language has eight…

algebra

(Encyclopedia) algebra, branch of mathematics concerned with operations on sets of numbers or other elements that are often represented by symbols. Algebra is a generalization of arithmetic and gains…

Heinse, Wilhelm

(Encyclopedia) Heinse, WilhelmHeinse, Wilhelmvĭlˈhĕlm hīnˈsə [key], 1746–1803, German novelist. His principal novels, Ardinghello; or, An Artist's Rambles in Sicily (1787, tr. 1839) and Hildegard von…

Duhamel du Monceau, Henri Louis

(Encyclopedia) Duhamel du Monceau, Henri LouisDuhamel du Monceau, Henri LouisäNrēˈ lwē düämĕlˈ dü môNsōˈ [key], 1700–1782, French agriculturist and tree expert. He did experimental work on plant…