Columbia Encyclopedia

Search results

431 results found

agate

(Encyclopedia)agate ăgˈĭt [key], translucent, cryptocrystalline variety of quartz and a subvariety of chalcedony. Agates are identical in chemical structure to jasper, flint, chert, petrified wood, and tiger's-e...

guava

(Encyclopedia)guava gwäˈvə [key], small evergreen tree or shrub of the genus Psidium of the family Myrtaceae (myrtle family), native to tropical America and grown elsewhere for its ornamental flowers and edible ...

side-necked turtle

(Encyclopedia)side-necked turtle, name for the long-necked turtle of the families Chelidae and Pelomedusidae, found only in the Southern Hemisphere. The neck in these two families is of a different structure from t...

Quechua

(Encyclopedia)Quechua, Kechua kēchˈwä [key], linguistic family belonging to the Andean branch of the Andean-Equatorial stock of Native American languages (mainly in South America). Encompassing far more native ...

Ouro Prêto

(Encyclopedia)Ouro Prêto ōˈro͝o prāˈto͝o [key] [Port.,=black gold], city (1996 pop. 61,606), Minas Gerais state, E Brazil. Founded as Vila Rica in the gold rush near the end of the 17th cent., it became a pr...

monkey-puzzle tree

(Encyclopedia)monkey-puzzle tree, evergreen tree (Araucaria araucana) native to Chile and widely cultivated elsewhere as an ornamental. The symmetrical branches have an unusual angularity and are completely covered...

emperor

(Encyclopedia)emperor [Lat. imperator=one holding supreme power, especially applied to generals], the sovereign head of an empire. In the Roman republic the term imperator referred to the chief military commander a...

Reyes, Alfonso

(Encyclopedia)Reyes, Alfonso älfônˈsō rāˈyĕs [key], 1889–1959, Mexican writer, diplomat, and educator. Reyes is generally recognized as one of the greatest Spanish-American writers of his time. After spend...

purslane

(Encyclopedia)CE5 Purslane, Portulaca oleraceae purslane, common name for some plants of the Portulaceae, a family of herbs and a few small shrubs, chiefly of the Americas. The portulacas or purslanes (genus Po...

Temer, Michel

(Encyclopedia)Temer, Michel (Michel Miguel Elias Temer Lulia), 1940–, Brazilian political leader. The son of Lebanese immigrants, he studied law at the Univ. of São Paolo and the Pontifical Univ. of São Paolo, ...