Columbia Encyclopedia

(Encyclopedia) Ordovician period ôrdəvĭshˈən [key] [from the Ordovices, ancient tribe of N Wales], second period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) fr...

(Encyclopedia) water, desalination of, process of removing soluble salts from water to render it suitable for drinking, irrigation, or industrial uses. The principal methods used for desalination include distillatio...

(Encyclopedia) spice, aromatic vegetable product used as a flavoring or condiment. The term was formerly applied also to pungent or aromatic foods (e.g., gingerbread and currants), to ingredients of incense or perfu...

(Encyclopedia) acanthus əkănˈthəs [key], common name for a member of the Acanthaceae, a family of chiefly perennial herbs and shrubs, mostly native to the tropics. A few members of the family, many of which have...

(Encyclopedia) Perpignan pĕrpēnyäNˈ [key], city (1990 pop. 108,049), capital of Pyrénées-Orientales dept., S France, near the Spanish border and the Mediterranean. It is a farm trade center, handling wine, fru...

(Encyclopedia) cork oak, name for an evergreen species of the oak genus (Quercus) of the family Fagaceae (beech family). The cork oak (Q. suber) is native to the Mediterranean region, where most of the world's comme...

(Encyclopedia) Coustou ko͞osto͞oˈ [key], family of French sculptors. Nicolas Coustou, 1658–1733, studied with his uncle, Antoine Coysevox, with whom he later collaborated on the decorations at Marly and at Vers...

(Encyclopedia) henbane or black henbane, herb (Hyoscyamus niger) native to the Mediterranean region and naturalized in parts of North America. It belongs to the family Solanaceae (nightshade family) and contains a n...

(Encyclopedia) Rif rĭf [key] or Rif Atlas, range of the Atlas Mts., NE Morocco, NW Africa, curving along the Mediterranean coast from Ceuta to Melilla. Tidighin (8,056 ft/2,455 m) is the highest peak. Composed of s...

(Encyclopedia) Sagunto sägo͞onˈtō [key], Latin Saguntum, town (1990 pop. 58,135), Valencia prov., E Spain, on the Palencia River, in Valencia. A seaport on the Mediterranean, it is an important metallurgical cen...