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markhor

(Encyclopedia)markhor märˈkôr [key], wild goat, Capra falconeri, found in the rugged mountains of central Asia, from S Russia to the W Himalayas. Largest of the goats, the male may stand over 40 in. (100 cm) at ...

loon

(Encyclopedia)loon, common name for migratory aquatic birds found in fresh- and saltwater in the colder parts of the Northern Hemisphere. Its strange, laughing call carries for great distances. Like the grebes, loo...

Lötschberg Railway

(Encyclopedia)Lötschberg Railway löchˈbĕrkh [key], electrical railroad, crossing the Bernese Alps from Thun, W central Switzerland, to Brig, on the Rhône River, S Switzerland. It passes through the Lötschberg...

Absheron

(Encyclopedia)Absheron əp– [key], peninsula, c.40 mi (60 km) long, extending into the Caspian Sea, E Azerbaijan. It is a dry, hilly area at the eastern end of the Greater Caucasus Mts. and is underlain by rich o...

Great Bear Lake

(Encyclopedia)Great Bear Lake, largest lake of Canada and fourth largest of North America, c.12,275 sq mi (31,800 sq km), c.190 mi (310 km) long and from 25 to 110 mi (40–177 km) wide, Northwest Territories, on t...

galley

(Encyclopedia)galley, long, narrow vessel widely used in ancient and medieval times, propelled principally by oars but also fitted with sails. The earliest type was sometimes 150 ft (46 m) long with 50 oars. Rowers...

amenorrhea

(Encyclopedia)amenorrhea āmĕnˌərēˈa, əmĕnˌ– [key], cessation of menstruation. Primary amenorrhea is a delay in or a failure to start menstruation; secondary amenorrhea is an unexpected stop to the menstr...

Cameron, John

(Encyclopedia)Cameron, John kămˈərən [key], c.1579–1625, Scottish scholar and theologian. As teacher, lecturer, and preacher at Bordeaux, Saumur, and other cities on the Continent, he came to be celebrated fo...

urethra

(Encyclopedia)urethra yo͝orēˈthrə [key], canal in most mammals that carries urine from the bladder to the outside of the body; in the male it also serves as a genital duct. The urethra is about 11⁄2 in. long ...

sperm whale

(Encyclopedia)sperm whale, largest of the toothed whales, Physeter catodon, found in the Atlantic and Pacific oceans. It is also called cachalot. Male sperm whales may grow to more than 70 ft (21 m) long and female...