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abominable snowman

(Encyclopedia) abominable snowman or yetiyetiyĕtˈē [key], humanlike creature so named because it is associated with the perpetual snow region of the Himalayas. A figure unknown except through tracks…

groundsel

(Encyclopedia) groundselgroundselgroundˈsəl [key], any plant of the very large genus Senecio, widely distributed herbs and (in the tropics) shrubs or trees of the family Asteraceae (aster family).…

tilapia

(Encyclopedia) tilapiatilapiatəläˈpēə [key] or St. Peter's fish, a spiny-finned freshwater fish of the family Cichlidae, native chiefly to Africa and the Middle East. Fish of the genera Oreochromis,…

virtual currency

(Encyclopedia) virtual currency, a means of payment that is electronically created and stored, more specifically an unregulated electronic medium of exchange that operates like a currency but is…

cavefish

(Encyclopedia) cavefish, common name for blind, cave-dwelling fishes of the family Amblyopsidae. The Amblyopsidae are mostly whitish fish, up to 5 in. (13 cm) long. With the exception of a single…

marine engine

(Encyclopedia) marine engine, machine for the propulsion of watercraft. The earliest marine power plants, reciprocating steam engines, were used almost exclusively until the early 1900s. In later…

Bermuda Triangle

(Encyclopedia) Bermuda Triangle, area in the Atlantic Ocean off Florida where a number of ships and aircraft have vanished. Also known as the Devil's Triangle, it is bounded at its points by…

sickle cell disease

(Encyclopedia) sickle cell disease or sickle cell anemia, inherited disorder of the blood in which the oxygen-carrying hemoglobin pigment in erythrocytes (red blood cells) is abnormal. This “…

Golden Rule

(Encyclopedia) Golden Rule, in the New Testament, saying of Jesus. In the Gospel of Matthew he says, “In everything do to others as you would have them do to you; for this is the law and the prophets…

rock garden

(Encyclopedia) rock garden, garden planned around natural rock formations or rocks artificially arranged to simulate natural (often mountainous) conditions. The concept of rock gardens is believed to…