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Boussingault, Jean Baptiste Joseph Dieudonné

(Encyclopedia)Boussingault, Jean Baptiste Joseph Dieudonné zhäN bätēstˈ zhôzĕfˈ dyödônāˈ bo͞osăNgōˈ [key], 1802–87, French agricultural chemist. He was professor of chemistry at Lyons and later pr...

Soddy, Frederick

(Encyclopedia)Soddy, Frederick sŏdˈē [key], 1877–1956, English chemist. He worked under Lord Rutherford at McGill Univ. and with Sir William Ramsay at the Univ. of London. After serving (1910–14) as lecturer...

Bikini

(Encyclopedia)Bikini bēkēˈnē [key], atoll, c.2 sq mi (5.2 sq km), W central Pacific, one of the Ralik Chain, Marshall Islands. It comprises 36 islets on a reef 25 mi (40 km) long. After its inhabitants were rem...

Binnig, Gerd

(Encyclopedia)Binnig, Gerd gĕrt bĭnˈĭkh [key], 1947–, German physicist, Ph.D. Univ. of Frankfurt, 1978. At the IBM Research Laboratory in Zürich, Binnig and fellow researcher Heinrich Rohrer built the first ...

grayling

(Encyclopedia)grayling, common name for a brilliantly colored fish belonging to the genus Thymallus, of the family Salmonidae (salmon family), and closely allied to the smelt. Graylings are found chiefly in clear, ...

formic acid

(Encyclopedia)formic acid or methanoic acid mĕthˌənōˈĭk [key], HCO2H, a colorless, corrosive liquid with a sharp odor; it boils at 100.7℃ and solidifies at 8.4℃. It has the lowest molecular weight and is ...

mercaptan

(Encyclopedia)mercaptan thīˈōl [key], any of a class of organic compounds containing the group –SH bonded to a carbon atom. The volatile low-molecular-weight mercaptans have disagreeable odors. Mercaptans are ...

avalanche

(Encyclopedia)avalanche, rapidly descending large mass of snow, ice, soil, rock, or mixtures of these materials, sliding or falling in response to the force of gravity. Avalanches, which are natural forms of erosio...

Natta, Giulio

(Encyclopedia)Natta, Giulio, 1903–79, Italian chemist, Ph.D. the Polytechnic of Milan, 1924. Natta held brief appointments at several academic institutions, including the Univ. of Pavia (1933–35), the Univ. of ...

Carothers, Wallace Hume

(Encyclopedia)Carothers, Wallace Hume kərŭᵺˈərz [key], 1896–1937, American chemist, b. Burlington, Iowa. He received his doctorate at the Univ. of Illinois in 1924, then taught organic chemistry there and a...