Columbia Encyclopedia

(Encyclopedia) iron, metallic chemical element; symbol Fe [Lat. ferrum]; at. no. 26; at. wt. 55.845; m.p. about 1,535℃; b.p. about 2,750℃; sp. gr. 7.87 at 20℃; valence +2, +3, +4, or +6. Iron is biologically s...

(Encyclopedia) Keeshond kāsˈhŏnd [key] (pl. Keeshonden), breed of medium-sized nonsporting dog raised in Holland for several hundred years and introduced into England in the year 1900. It stands about 18 in. (46 ...

(Encyclopedia) Maris mäˈrĭs [key], three Dutch painters, who were brothers. Jacob or Jakob Maris, 1837–99, the most celebrated, painted domestic interiors but is particularly famous for his vigorous landscapes ...

(Encyclopedia) Carthage. <1> City (2020 pop. 15,522), seat of Jasper co., SW Mo., on the Spring River; inc. 1873. Its gray marble quarries are the largest of ...

(Encyclopedia) Boeing, William Edward, 1881–1956, American aviation pioneer and executive, b. Detroit. After attending Yale's Sheffield Scientific School (1899–1902), he moved (1903) to Gray's Harbor, Wash., whe...

(Encyclopedia) Cariboo Mountains kărˈĭbo͞o [key], range, c.200 mi (320 km) long, E British Columbia, Canada, rising to 11,750 ft (3,582 m) at Mt. Sir Wilfrid Laurier. It runs roughly parallel with the main Rocky...

(Encyclopedia) hybrid hīˈbrĭd [key], term applied by plant and animal breeders to the offspring of a cross between two different subspecies or species, and by geneticists to the offspring of parents differing in ...

(Encyclopedia) hydrogen sulfide, chemical compound, H2S, a colorless, extremely poisonous gas that has a very disagreeable odor, much like that of rotten eggs. It is slightly soluble in water and is soluble in carbo...

(Encyclopedia) jay, common name for a number of birds of the family Corvidae (crows and jays), found in Europe, Asia, and the Americas. The best-known representatives in America are the blue jay, Cyanocitta cristata...

(Encyclopedia) herbarium, collection of dried and mounted plant specimens used in systematic botany. To preserve their form and color, plants collected in the field are spread flat in sheets of newsprint and dried, ...