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Denver, University of

(Encyclopedia)Denver, University of, at Denver; coeducational; United Methodist; chartered 1864 and opened as Colorado Seminary by John Evans and others. In 1880 it was reorganized as the Univ. of Denver. It mainta...

desalination of water

(Encyclopedia)desalination of water: see water, desalination of. ...

Disciples of Christ

(Encyclopedia)Disciples of Christ: see Christian Church (Disciples of Christ). ...

diseases of plants

(Encyclopedia)diseases of plants. Most plant diseases are caused by fungi, bacteria, and viruses. Although the term disease is usually used only for the destruction of live plants, the action of dry rot and the rot...

District of Columbia

(Encyclopedia)District of Columbia, federal district (2020 pop. 689,545), 69 sq mi (179 sq km), on the east bank of the Potomac River, coextensive with the city of Wa...

division of labor

(Encyclopedia)division of labor, in economics, the specialization of the functions and roles involved in production. Division of labor is closely tied with the standardization of production, the introduction and pe...

Doctrine of Signatures

(Encyclopedia)Doctrine of Signatures, the concept that the key to humanity's use of various plants was indicated by the form of the plant. The red sap of the bloodroot (Sanguinaria canadensis), for instance, was be...

Dover, Strait of

(Encyclopedia)Dover, Strait of, separating Great Britain from France and connecting the English Channel with the North Sea. It is 21 mi (34 km) wide between Dover and Cape Gris-Nez, near Calais, and is called Pas-d...

Allen, Bog of

(Encyclopedia)Allen, Bog of, area of several peat bogs c.375 sq mi (971 sq km), with patches of cultivable land, in the central lowlands, E Republic of Ireland. The bog is crossed by the Grand and Royal canals. It ...

Donation of Constantine

(Encyclopedia)Donation of Constantine: see Constantine, Donation of. ...