Columbia Encyclopedia
Search results
500 results found
potassium carbonate
(Encyclopedia)potassium carbonate, chemical compound, K2CO3, white, crystalline, deliquescent substance that forms a strongly alkaline water solution. It is available commercially as a white, granular powder common...Merrimack, river, United States
(Encyclopedia)Merrimack, river, c.110 mi (180 km) long, formed at Franklin, S central N.H., by the junction of the Pemigewasset (rising in the White Mts.) and Winnipesaukee rivers. It flows S past Concord and Manch...Croatoan
(Encyclopedia)Croatoan, unexplained letters found (1590) carved on a tree on Roanoke Island off North Carolina by Gov. John White when he returned to the colony from England and discovered the colonists gone. White...Hereford cattle
(Encyclopedia)Hereford cattle hûrˈfərd [key], breed of beef cattle originated in Herefordshire, England, and thought to be descended from the primitive cattle of the country. They are medium-to-large, deep-bodie...state flowers
(Encyclopedia)state flowers. Each state of the United States has designated, usually by legislative action, one flower as its floral emblem; the rose has been designated by Congress as the national flower of the Un...pelican
(Encyclopedia)pelican, common name for a large, gregarious aquatic bird of warm regions, allied to the cormorants and gannets. Pelicans are heavy-bodied, long-necked birds with large, flat bills. They are graceful ...Berlin, city, United States
(Encyclopedia)Berlin bûrˈlən, bərlĭnˈ [key], city (2020 pop. 10,118), Coos co., NE N.H., in the White Mts. at ...color
(Encyclopedia)color, effect produced on the eye and its associated nerves by light waves of different wavelength or frequency. Light transmitted from an object to the eye stimulates the different color cones of the...barite
(Encyclopedia)barite bərīˈtēz [key] [New Lat., from barium], or heavy spar, a white, yellow, blue, red, or colorless mineral. It is a sulfate of barium, BaSO4, found in nature as tabular crystals or in granular...condor
(Encyclopedia)condor, common name for certain American vultures, found in the high peaks of the Andes of South America and the Coast Range of S California. Condors are the largest of the living birds, nearly 50 in....Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
