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magnetohydrodynamics

(Encyclopedia)magnetohydrodynamics măgnēˌtōhīˌdrōdīnămˈĭks [key], study of the motions of electrically conducting fluids and their interactions with magnetic fields. The principles of magnetohydrodynamic...

Matruh

(Encyclopedia)Matruh mätro͞oˈ [key], town (1986 pop. 43,157), NW Egypt, near the Mediterranean Sea. Built at the site of the Roman town of Paraetonium, it is located on the coast road and is on a railway that li...

Kazanluk

(Encyclopedia)Kazanluk käˌzänləkˈ [key], town (1993 pop. 60,019), central Bulgaria, in the Kazanluk valley, a region famous for its rose fields. Kazanluk developed in the 17th cent. as a manufacturing center f...

Nagykanizsa

(Encyclopedia)Nagykanizsa nŏˈdyəkŏnĭˌzhŏ [key], city (1990 pop. 54,059), SW Hungary. An agricultural market center, its economy relies on grain, livestock, and foodstuff trading. There are oil fields nearby....

Havre

(Encyclopedia)Havre hăvˈər [key], city (2020 pop. 9,955), seat of Hill co., N Mont., on the Milk River; ...

Daubenton, Louis Jean Marie

(Encyclopedia)Daubenton, Louis Jean Marie lwē zhäN märēˈ dōbäNtôNˈ [key], 1716–1800, French naturalist. He was a professor at the Collège de France from 1778; his work touched many fields—comparative ...

Sidi-bel-Abbès

(Encyclopedia)Sidi-bel-Abbès sēˌdē-bĕl-äbĕsˈ [key], city (1998 pop. 180,260), W central Algeria, on the Mékerra River. It is the commercial center of an important area of vineyards, market gardens, orchard...

Pringsheim, Nathanael

(Encyclopedia)Pringsheim, Nathanael nätänˈäĕl prĭngsˈhīm [key], 1823–94, German botanist, one of the founders of the scientific study of algae. He made important discoveries in the morphology and physiolo...

Trafalgar Square

(Encyclopedia)Trafalgar Square, in Westminster, London, England, named for Lord Nelson's victory at the battle of Trafalgar. The statue surmounting the Nelson memorial column (185 ft/56 m high) was sculpted (1840�...

Northwich

(Encyclopedia)Northwich nôrthˈwĭch [key], town (1991 pop. 32,664), Cheshire West and Chester, W central England, at the confluence of the Weaver and Dane rivers. Northwich was once the center of England's salt p...