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Chattahoochee

(Encyclopedia)Chattahoochee chătˌəho͞oˈchē [key], river, 436 mi (702 km) long, rising in N Ga., and flowing generally SW to the Ala.-Ga. border and then S along it to join the Flint River in Lake Seminole on ...

wren

(Encyclopedia)wren, small, plump perching songbird of the family Troglodytidae. There are about 60 wren species, and all except one are restricted to the New World. The plumage is usually brown or reddish above and...

Abbottabad

(Encyclopedia)Abbottabad ăbˈətäbäd [key], city (2020 pop. 1,332,912), NE Pakistan. It is a popular health resort c.4,000 ft (1,220 m) above sea level in the Himalaya region. It is...

paleontology

(Encyclopedia)paleontology pāˌlēəntŏlˈəjē [key] [Gr.,= study of early beings], science of the life of past geologic periods based on fossil remains. Knowledge of the existence of fossils dates back at least...

cave

(Encyclopedia)cave, a cavity in the earth's surface usually large enough for a person to enter. Caves may be formed by the chemical and mechanical action of a stream upon soluble or soft rock, of rainwater seeping ...

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...

marble

(Encyclopedia)marble, metamorphic rock composed wholly or in large part of calcite or dolomite crystals, the crystalline texture being the result of metamorphism of limestone by heat and pressure. The term marble i...

Precambrian

(Encyclopedia)Precambrian, name of a major division of geologic time (see Geologic Timescale, tablegeologic timescale, table), from c.5 billion to 570 million years ago. It is now usually divided into the Archean a...

Van Halen, Eddie

(Encyclopedia)Van Halen, Eddie (Edward Lodewijk Van Halen), 1955–2020, American rock musician and song writer, b. Amsterdam, Netherlands; his family moved to California when he was young. He and brother Alex form...

Sumter, Thomas

(Encyclopedia)Sumter, Thomas, 1734–1832, American Revolutionary officer, b. near Charlottesville, Va. He served with Edward Braddock (1755) and John Forbes (1758) in their expeditions against Fort Duquesne in the...