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radical, in chemistry

(Encyclopedia)radical, in chemistry, group of atoms that are joined together in some particular spatial structure and that take part in most chemical reactions as a single unit. Important inorganic radicals include...

Hollande, François Gérard Georges

(Encyclopedia)Hollande, François Gérard Georges, 1954–, French lawyer and politician, president of France (2012–17), b. Rouen. He attended the elite National School of Administration (ENA) and Paris Institute...

irredentism

(Encyclopedia)irredentism ĭrĭdenˈtĭzəm [key], originally, the Italian nationalist movement for the annexation to Italy of territories—Italia irredenta [unredeemed Italy]—inhabited by an Italian majority bu...

Amalasuntha

(Encyclopedia)Amalasuntha ăˌmələsŭnˈthə [key], d. 535, Ostrogothic queen in Italy (534–35), daughter of Theodoric the Great. After her father's death (526) she was regent for her son Athalaric. He died in ...

Cavalcaselle, Giovanni Battista

(Encyclopedia)Cavalcaselle, Giovanni Battista jōvänˈnē bät-tēsˈtä kävälkäsĕlˈlā [key], 1820–97, Italian art critic and writer. Cavalcaselle studied painting at the Academy of Venice and traveled ext...

Victor Emmanuel III

(Encyclopedia)Victor Emmanuel III, 1869–1947, king of Italy (1900–1946), emperor of Ethiopia (1936–43), king of Albania (1939–43), son and successor of Humbert I. In 1896 he married Princess Helena of Monte...

Chiavenna

(Encyclopedia)Chiavenna kyävānˈnä [key], town, Lombardy, N Italy. It is a commercial center and transpo...

Venezia Giulia

(Encyclopedia)Venezia Giulia vānāˈtsyä jo͞oˈlyä [key], former region, 3,356 sq mi (8,692 sq km), NE Italy, on the Adriatic Sea. It was formed after World War I from part of the territories ceded by Austria t...

Tonti, Henri de

(Encyclopedia)Tonti or Tonty, Henri de both: äNrēˈ də tôNtēˈ [key], c.1650–1704, French explorer in North America, b. Italy. Serving in the French army, he lost a hand in battle; his skillful use of the ap...

Modena

(Encyclopedia)Modena môˈdānä [key], city (1991 pop. 176,990), capital of Modena prov., Emilia-Romagna, N central Italy, on the Panaro River. It is an agricultural, commercial, and major industrial center. Manuf...