Columbia Encyclopedia
Search results
25 results found
sponge
(Encyclopedia)sponge, common name for members of the aquatic animal phylum Porifera, and for the dried, processed skeletons of certain species used to hold water. Over 4,500 living species are known; they are found...Porifera
(Encyclopedia)CE5 A. Canal systems of the three morphological types of sponges B. Internal anatomy of an asconoid sponge, representative of the phylum Porifera Porifera pōrĭfˈərə [key] [Lat.,=pore bearer],...hydrotherapy
(Encyclopedia)hydrotherapy, use of water in the treatment of illness or injury. Although the medicinal and hygienic value of water was recognized by the early Greeks, hydrotherapy attained its widest use in the 18t...Eumetazoa
(Encyclopedia)Eumetazoa yo͞oˌmĕtˌəzōˈə [key], subkingdom of the animal kingdom comprising all animals except the sponges and the wormlike mezozoans (see Mezozoa). ...Lampedusa
(Encyclopedia)Lampedusa, island, 8 sq mi (20.7 sq km), S Sicily, Italy, in the Mediterranean Sea between Malta and Tunisia, the largest of the Pelagie Islands and Italy's southernmost territory. Il Porto is the onl...Kálimnos
(Encyclopedia)Kálimnos käˈlēmnôs [key], mountainous island (1991 pop. 15,706), 41 sq mi (106 sq km), SE Greece, one of the Dodecanese, 11 mi (18 km) off the coast of Asia Minor. A sponge-fishing center, it als...Döbereiner, Johann Wolfgang
(Encyclopedia)Döbereiner, Johann Wolfgang yōˈhän vôlfˈgäng döˈbərīnər [key], 1780–1849, German chemist. From 1810 he was professor of the Univ. of Jena. He is known especially for his discovery of sim...platform tennis
(Encyclopedia)platform tennis, version of lawn tennis played on an elevated wooden or aluminum court that is one fourth the size of a standard court, usually by doubles teams. Unlike lawn tennis, platform tennis al...Ídhra
(Encyclopedia)Ídhra hīˈdrə [key], island, 21 sq mi (54 sq km), SE Greece, in the Aegean Sea, off the Argolís peninsula of the Peloponnesus. It is mostly barren and rocky. Ídhra town is the center of populatio...Surtees, Robert Smith
(Encyclopedia)Surtees, Robert Smith sûrˈtēz [key], 1803–64, English novelist. He created John Jorrocks, the sporting grocer, who appears in Jorrocks' Jaunts and Jollities (1838), a series of humorous sketches ...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 +-
