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lung cancer
(Encyclopedia)lung cancer, cancer that originates in the tissues of the lungs. Lung cancer is the leading cause of cancer death in the United States in both men and women. Like other cancers, lung cancer occurs aft...Matisse, Henri
(Encyclopedia)Matisse, Henri äNrēˈ mätēsˈ [key], 1869–1954, French painter, sculptor, and lithographer. Along with Picasso, Matisse is considered one of the two foremost artists of the modern period. His co...Peloponnesian War
(Encyclopedia)Peloponnesian War pĕlˈəpənēˈzhən [key], 431–404 b.c., decisive struggle in ancient Greece between Athens and Sparta. It ruined Athens, at least for a time. The rivalry between Athens' maritim...algae
(Encyclopedia)algae ălˈjē [key] [plural of Lat. alga=seaweed], a large and diverse group of primarily aquatic plantlike organisms. These organisms were previously classified as a primitive subkingdom of the plan...Nevada
(Encyclopedia) CE5 Nevada nəvădˈə, –vä– [key], far western state of the United States. It is bordered by Utah (E), Arizona (SE), California (SW, W), and Oregon and Idaho (N). In the 20th cent. the ...sex
(Encyclopedia)sex, term used to refer both to the two groups distinguished as males and females, and to the anatomical and physiological characteristics associated with maleness and femaleness. Sex relates to the t...seismology
(Encyclopedia)seismology sīzmŏlˈəjē, sīs– [key], scientific study of earthquakes and related phenomena, including the propagation of waves and shocks on or within the earth by natural or artificially genera...progressivism
(Encyclopedia)progressivism, in U.S. history, a broadly based reform movement that reached its height early in the 20th cent. In the decades following the Civil War rapid industrialization transformed the United St...Gustavus II
(Encyclopedia)Gustavus II (Gustavus Adolphus), 1594–1632, king of Sweden (1611–32), son and successor of Charles IX. In military organization and strategy, Gustavus was ahead of his time. While most powers re...Arabs
(Encyclopedia)Arabs, name originally applied to the Semitic peoples of the Arabian Peninsula. It now refers to those persons whose primary language is Arabic. They constitute most of the population of Algeria, Bahr...Browse by Subject
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