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red blood cell

(Encyclopedia)red blood cell: see blood.

Red Poll cattle

(Encyclopedia)Red Poll cattle pōl [key], breed of polled (hornless) cattle, originated in England c.1846. They are a medium-sized, hardy breed of cattle, light red to very dark red in color, and are raised for bot...

Red River Rebellion

(Encyclopedia)Red River Rebellion: see Riel, Louis. ...

Red River Settlement

(Encyclopedia)Red River Settlement, agricultural colony in present Manitoba, North Dakota, and Minnesota. It was the undertaking of Thomas Douglas, 5th earl of Selkirk. Wishing to relieve the dispossessed and impov...

Red Rock chicken

(Encyclopedia)Red Rock chicken, the only chicken still popular to any large extent in the United States today for both meat and eggs. It resulted from a cross between a Rhode Island Red male and a Plymouth Rock fem...

Red Deer, city, Canada

(Encyclopedia)Red Deer, city (1991 pop. 58,134), S central Alta., Canada, on the Red Deer River. It developed as a trade and service center for a region of dairying and mixed farming. The discovery of oil and natur...

Red Deer, river, Canada

(Encyclopedia)Red Deer, river, 385 mi (620 km) long, rising in the Rocky Mts. in Banff National Park, SW Alta., Canada, and flowing NE past Red Deer city, then SE and E across the plains to the South Saskatchewan R...

red deer, in zoology

(Encyclopedia)red deer: see wapiti.

Rhode Island Red chicken

(Encyclopedia)Rhode Island Red chicken, American breed of poultry, no longer raised commercially, but still maintained for use in breeding programs. See Red Rock chicken. ...

muffler

(Encyclopedia)muffler, in automobiles, device designed to reduce the noise from the exhaust of an internal-combustion engine. When the exhaust gases from an internal-combustion engine are released directly into the...