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Colorado, rivers, United States and Mexico

(Encyclopedia)Colorado [1] kŏlərădˈə, –rădˈō, –räˈdō [2] kŏlərāˈdə, –räˈdə [key]. 1 Great river of the SW United States, 1,450 mi (2,334 km) long, rising in the Rocky Mts. of N Colo., and f...

clay

(Encyclopedia)clay, common name for a number of fine-grained, earthy materials that become plastic when wet. Chemically, clays are hydrous aluminum silicates, ordinarily containing impurities, e.g., potassium, sodi...

mass transit

(Encyclopedia)mass transit, public transportation systems designed to move large numbers of passengers. The history of mass transportation is intimately connected to industrialization, urbanization, and the sepa...

Amsterdam, city, Netherlands

(Encyclopedia)Amsterdam ămˈstərdămˌ, Dutch ämstərdämˈ [key], city (2021 pop. 1,157,519), constitutional capital and largest city of the Kingdom of the Netherlands, Nort...

fur

(Encyclopedia)fur, hairy covering of an animal, especially the skins of animals that have thick, soft, close-growing hair next to the skin itself and coarser protective hair above it. The underhair is frequently ca...

Huang He

(Encyclopedia)Huang He, Hwang Ho both: hwängˈ ho͝oˈ [key], or Yellow River, great river of N China, c.3,000 mi (4,830 km) long, rising in the twin lakes Gyaring and Ngoring in the Kunlun Mts., NW Qinghai prov....

sound recording

(Encyclopedia)sound recording, process of converting the acoustic energy of sound into some form in which it can be permanently stored and reproduced at any time. In 1855 the inventor Leon Scott constructed a devic...

stained glass

(Encyclopedia)stained glass, in general, windows made of colored glass. To a large extent, the name is a misnomer, for staining is only one of the methods of coloring employed, and the best medieval glass made litt...

Manchuria

(Encyclopedia)Manchuria măncho͝orˈēə [key], Mandarin Dongbei sansheng [three northeastern provinces], region, c.600,000 sq mi (1,554,000 sq km), NE China. It is officially known as the Northeast. Manchuria is ...

ant

(Encyclopedia)ant, any of the 2,500 insect species constituting the family Formicidae of the order Hymenoptera, to which the bee and the wasp also belong. Like most members of the order, ants have a “wasp waist,�...