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dispersion, in chemistry

(Encyclopedia)dispersion, in chemistry, mixture in which fine particles of one substance are scattered throughout another substance. A dispersion is classed as a suspension, colloid, or solution. Generally, the par...

convulsion

(Encyclopedia)convulsion, sudden, violent, involuntary contraction of the muscles of the body, often accompanied by loss of consciousness. It is not known what causes the abnormal impulses from the brain that resul...

Faizabad, city, India

(Encyclopedia)Faizabad or Fyzabad both: fīˈzəbăd [key], city, Uttar Pradesh state, N central India, on the Ghaghara River. ...

Idaho Falls

(Encyclopedia)Idaho Falls, city (2020 pop. 64,818), seat of Bonneville co., SE Idaho, traversed by the Snake River; inc. 1900. The chief city of the extensively irrig...

Houssay, Bernardo Alberto

(Encyclopedia)Houssay, Bernardo Alberto bārnärˈdō älbārˈtō ouˈsī [key], 1887–1971, Argentine physiologist, b. Buenos Aires. He was a child prodigy, entering college at the age of 9 and becoming a hospit...

Helsingborg

(Encyclopedia)Helsingborg or Hälsingborg both: hĕlsĭngbôrˈyə [key], city, Malmöhus co., S Sweden...

Halberstadt

(Encyclopedia)Halberstadt hälˈbərshtät [key], city, Saxony-Anhalt, central Germany. It is an industrial center ...

Harlingen

(Encyclopedia)Harlingen härˈlĭnjən [key], city (2020 pop. 71,829), Cameron co., extreme S Tex.; inc. 1910. It ...

Girga

(Encyclopedia)Girga jĭrˈjă [key], town, central Egypt, on the Nile. It is noted for its pottery; a sugar...

Fort Collins

(Encyclopedia)Fort Collins, city (2020 pop. 169,810), seat of Larimer co., N Colo., on the Cache la Poudre River, at the foot of the Rocky Mts., inc. as a city 1883. ...