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Port Moresby

(Encyclopedia)Port Moresby môrzˈbē [key], town (1990 pop. 193,242), capital of Papua New Guinea, on New Guinea island and on the Gulf of Papua in the National Capital District. Rubber, gold, copra, and natural g...

Welch, William Henry

(Encyclopedia)Welch, William Henry, 1850–1934, American pathologist, b. Norfolk, Conn., grad. Yale (B.A., 1870), M.D. College of Physicians and Surgeons (now part of Columbia Univ., 1875). After studying abroad h...

Tyumen

(Encyclopedia)Tyumen tyo͞omĕnˈyə [key], city (1989 pop. 477,000), capital of Tyumen region, SW Siberian Russia, on the Tura River. On the Trans-Siberian RR, Tyumen is a major transfer point for river and rail f...

Skikda

(Encyclopedia)Skikda fēlēpvēlˈ [key], city (1998 pop. 152,335), NE Algeria, a port on the Gulf of Stora of the Mediterranean Sea. It is the port for Constantine and handles mostly agricultural and mineral produ...

Stillwater

(Encyclopedia)Stillwater. 1 City (1990 pop. 13,822), seat of Washington co., E Minn., on the St. Croix River; inc. 1854. Boats, metal products, signs, computer supplies, molding and tools, and electronic goods are ...

phosphorus

(Encyclopedia)phosphorus fŏsˈfərəs [key] [Gr.,=light-bearing], nonmetallic chemical element; symbol P; at. no. 15; at. wt. 30.97376; m.p. 44.1℃; b.p. about 280℃; sp. gr. 1.82 at 20℃; valence −3, +3, or ...

interstellar matter

(Encyclopedia)interstellar matter, matter in a galaxy between the stars, known also as the interstellar medium. The interstellar gas, which constitutes about 99% of the interstellar matter, consists mostly of hyd...

Haber, Fritz

(Encyclopedia)Haber, Fritz häˈbər [key], 1868–1934, German chemist. He was a professor of physical chemistry at Karlsruhe and became director of the Kaiser Wilhelm Institute at Dahlem in 1911. During World War...

Moissan, Henri Ferdinand Frederick

(Encyclopedia)Moissan, Henri Ferdinand Frederick, 1852–1907, French chemist, Ph.D. École Pratique des Haute Études, Paris, 1880. Moissan was a professor at the School of Pharmacy in Paris (1886–1900) and at t...

mercuric chloride

(Encyclopedia)mercuric chloride or mercury (II) chloride, chemical compound, HgCl2, a white powder of colorless rhombohedral crystals, somewhat soluble in water. It is also called bichloride of mercury or corrosive...