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hellebore

(Encyclopedia)hellebore hĕlˈəbôr [key], name usually for plants of the genus Helleborus of the family Ranunculaceae (buttercup family), Eurasian perennials with attractive palmately divided leaves and flowers o...

Brisbane

(Encyclopedia)Brisbane brĭzˈbən [key], city (2021 pop. 2,189,878, Greater Brisbane pop. 2,451,804), capi...

nitrogen cycle

(Encyclopedia)CE5 Nitrogen cycle nitrogen cycle, the continuous flow of nitrogen through the biosphere by the processes of nitrogen fixation, ammonification (decay), nitrification, and denitrification. Nitrogen...

saxifrage

(Encyclopedia)saxifrage săkˈsĭfrĭj [key], common name for several members of the Saxifragaceae, a family of widely varying herbs, shrubs, and small trees of cosmopolitan distribution. They are found especially ...

aster

(Encyclopedia)CE5 Cross section of a sunflower, a member of the aster family aster [Gr.,=star], common name for the Asteraceae (Compositae), the aster family, in North America, name for plants of the genus Aste...

heart disease

(Encyclopedia)heart disease, any of several abnormalities of the heart and its function in maintaining blood circulation. Heart disease is the cause of approximately half the deaths in the United States each year. ...

South Plainfield

(Encyclopedia)South Plainfield, borough (1990 pop. 20,489), Middlesex co., NE N.J.; inc. 1926. It is the seat of several research and consulting firms and has plants that make chemicals, plastics, spices and flavor...

Detroit, river, United States and Canada

(Encyclopedia)Detroit, river, 32 mi (52 km) long, flowing from Lake St. Clair S into Lake Erie between Detroit, Mich., and Windsor, Ont.; it forms part of the U.S.-Canada boundary. It is one of the most heavily ind...

corm

(Encyclopedia)corm, short, thickened underground stem, usually covered with papery leaves. A corm grows vertically, producing buds at the upper nodes and roots from the lower surface. Corms serve as organs of food ...

Warrensville Heights

(Encyclopedia)Warrensville Heights, city (1990 pop. 15,745), Cuyahoga co., NE Ohio, a suburb of Cleveland; inc. 1927. Although chiefly residential, it has plants that manufacture machinery, automobile equipment, an...