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Normandy campaign

(Encyclopedia)Normandy campaign, June to Aug., 1944, in World War II. The Allied invasion of the European continent through Normandy began about 12:15 a.m. on June 6, 1944 (D-day). The plan, known as Operation Over...

Nemertinea

(Encyclopedia)CE5 A. Ribbon worm, representative of the phylum Nemertinea B. Internal anatomy of a ribbon worm Nemertinea nĕmərtĭnˈēə [key], phylum of elongated, often flattened, marine Worms, sometimes c...

Aral Sea

(Encyclopedia)Aral Sea ărˈəl [key], salt lake, SW Kazakhstan and NW Uzbekistan, E of the Caspian Sea in an area of interior drainage. To the north and west are the edges of the arid Ustyurt Plateau; the Kyzyl Ku...

Polanski, Roman

(Encyclopedia)Polanski, Roman, 1933–, Polish-French film director, b. Paris. His family returned to Kraków, Poland, when he was three. His parents were imprisoned in Nazi concentration camps and his mother died ...

carbon monoxide

(Encyclopedia)carbon monoxide, chemical compound, CO, a colorless, odorless, tasteless, extremely poisonous gas that is less dense than air under ordinary conditions. It is very slightly soluble in water and burns ...

sea level

(Encyclopedia)sea level, the level of the sea, which serves as the datum used for measurement of land elevations and ocean depths. Theoretically, one would expect sea level to be a fixed and permanent horizontal su...

Romani

(Encyclopedia)Romani or Romany both: rŏmˈənē, rōˈ– [key], people known historically in English as Gypsies and their language. 1 A traditionally nomadic people with particular folkways and a unique language,...

Sherman Antitrust Act

(Encyclopedia)Sherman Antitrust Act, 1890, first measure passed by the U.S. Congress to prohibit trusts; it was named for Senator John Sherman. Prior to its enactment, various states had passed similar laws, but th...

sickle cell disease

(Encyclopedia)sickle cell disease or sickle cell anemia, inherited disorder of the blood in which the oxygen-carrying hemoglobin pigment in erythrocytes (red blood cells) is abnormal. This “hemoglobin-S” crysta...

shopping center

(Encyclopedia)shopping center, a concentration of retail, service, and entertainment enterprises designed to serve the surrounding region. The modern shopping center differs from its antecedents—bazaars and marke...