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manure

(Encyclopedia)manure, term used in the United States to refer to excreta of animals, with or without added bedding; also called barnyard manure. In other countries the term often refers to any material used to fert...

Maracaibo, Lake

(Encyclopedia)Maracaibo, Lake, largest lake of South America, c.5,100 sq mi (13,210 sq km), NW Venezuela, extending c.110 mi (180 km) inland. A strait, 34 mi (55 km) long, connects it with the Gulf of Venezuela. Di...

toadfish

(Encyclopedia)toadfish, common name for the sluggish, bottom-feeding fishes of the family Batrachoididae, found mainly in marine and brackish waters worldwide. Toadfishes feed largely on crustaceans and small fishe...

rickets

(Encyclopedia)rickets or rachitis rəkīˈtĭs [key], bone disease caused by a deficiency of vitamin D or calcium. Essential in regulating calcium and phosphorus absorption by the body, vitamin D can be formed in t...

vertebrate

(Encyclopedia)vertebrate, any animal having a backbone or spinal column. Verbrates can be traced back to the Silurian period. In the adults of nearly all forms the backbone consists of a series of vertebrae. All ve...

Victoria, city, Canada

(Encyclopedia)Victoria, city (1991 pop. 71,228), capital of British Columbia, SW Canada, on Vancouver Island and Juan de Fuca Strait. It is the largest city on the island and its major port and business center. In ...

Cuadra, Pablo Antonio

(Encyclopedia)Cuadra, Pablo Antonio, 1912–2002, Nicaraguan poet, b. Managua. Early in life, Cuadra became a member of the Vanguard literary movement and edited (1929) its journal. Influenced by Rubén Darío and ...

gavial

(Encyclopedia)gavial gāˈvēəl [key], large reptile of the crocodile order, found in rivers from Pakistan to Myanmar. Also called gharial, the gavial (Gavialis gangeticus) is distinguished from the crocodiles and...

darter, bird

(Encyclopedia)darter or anhinga ănhĭngˈgə [key], common name for a very slender, black water bird very closely related to the cormorant. It frequents the wooded borders of freshwater lakes, rivers, and swamps i...

vegetarianism

(Encyclopedia)vegetarianism, theory and practice of eating only fruits and vegetables, thus excluding animal flesh, fish, or fowl and often butter, eggs, and milk. In a strict vegetarian, or vegan, diet (i.e., one ...