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Murchison, Sir Roderick Impey

(Encyclopedia)Murchison, Sir Roderick Impey mûrˈkĭsən [key], 1792–1871, British geologist. He served in the Napoleonic Wars but after the peace turned his attention to science. In the 1830s he undertook the i...

Murchison Falls

(Encyclopedia)Murchison Falls, rapids on the lower Victoria Nile River, NW Uganda, 22 mi (35 km) E of Lake Albert (see Albert, Lake). The river, narrowing to about 20 ft (6 m) wide, flows through precipitously clef...

Roderick

(Encyclopedia)Roderick rŏdˈərĭk [key], d. 711?, last Visigothic king in Spain (710–711?). After the death of King Witiza, a group of nobles chose Roderick, duke of Baetica, as successor to the king. Having de...

Devonian period

(Encyclopedia)Devonian period dĭvōˈnēən [key], fourth period of the Paleozoic era of geologic time between 408 and 360 million years ago (see Geologic Timescale, tablegeologic timescale, table). It was named (...

MacKinnon, Roderick

(Encyclopedia)MacKinnon, Roderick, 1956–, American biochemist, b. Burlington, Mass., M.D. Tufts Univ., 1982. MacKinnon was on the faculty at Harvard Medical School from 1989–96 and has been a professor at the H...

Cameron of Lochiel, Sir Ewen

(Encyclopedia)Cameron of Lochiel, Sir Ewen or Evan kămˈərən, lŏkh-ēlˈ [key], 1629–1719, chief of the Scottish highland clan of Cameron after 1647. On behalf of Charles II he led his clan in an uprising aga...

Victoria Nile

(Encyclopedia)Victoria Nile, river, section of the White Nile, c.260 mi (420 km) long, central Uganda, E central Africa. It drains from the northern end of Lake Victoria (see Victoria, Lake) at Jinja and flows gene...

Bagnold, Enid

(Encyclopedia)Bagnold, Enid băgˈnəld [key], 1889–1981, English novelist and playwright, b. Rochester, Kent, England. She was a nurse in a military hospital in World War I. In 1920 she married Sir Roderick Jone...

Tarik ibn Ziyad

(Encyclopedia)Tarik ibn Ziyad täˈrĭk [key], fl. 711, Berber leader of the Muslim invaders of Spain. When the heirs of the Visigothic king, Witiza, requested help from the Moors of N Africa against the usurper Ro...

Kabalega Falls

(Encyclopedia)Kabalega Falls: see Murchison Falls. ...