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pneumoconiosis

(Encyclopedia)pneumoconiosis no͞oˌməkōˌnēōˈsĭs [key], chronic disease of the lungs. Primarily an occupational disease of miners, sandblasters, and metal grinders, it is a result of repeated inhalation of d...

Sac and Fox

(Encyclopedia)Sac and Fox, closely related Native Americans of the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). Sac and Fox culture was of the Eastern Woodlands are...

Volunteers of America

(Encyclopedia)Volunteers of America, national nondenominational organization providing a wide variety of human services as part of a Christian ministry of service. Founded (1896) by Ballington and Maud Booth (see B...

Douhet, Giulio

(Encyclopedia)Douhet, Giulio jo͞oˈlyō do͞oāˈ [key], 1869–1930, Italian military officer and early advocate of airpower. He was an early supporter of strategic bombing and the military superiority of air for...

rotavirus

(Encyclopedia)rotavirus, double-stranded RNA virus, genus Rotavirus, with a wheellike appearance that can cause severe watery diarrhea and vomiting, sometimes leading to severe dehydration and death. The virus is t...

Weller, Thomas Huckle

(Encyclopedia)Weller, Thomas Huckle, 1915–2008, American microbiologist and physician, b. Ann Arbor, Mich., B.A. Univ. of Michigan, 1936, M.D. Harvard, 1940. In 1936 he began teaching at Harvard, and as a special...

classical swine fever

(Encyclopedia)classical swine fever or hog cholera, acute, highly infectious viral disease of swine, historically perhaps the most serious disease of swine in North America. It is characterized by dullness and list...

Prefixes for Basic Metric Units (table)

(Encyclopedia)Prefixes for Basic Metric Units Multiples Fractions ...

nursery

(Encyclopedia)nursery, in horticulture, an establishment or area for the propagation, breeding, and early cultivation of plants. In North America the term nursery originally specified a place where hardy woody plan...

Ormerod, Eleanor Anne

(Encyclopedia)Ormerod, Eleanor Anne ôrˈmərŏd [key], 1828–1901, English economic entomologist. She aided the Royal Horticultural Society in forming a collection of insect farm pests and was awarded the Flora m...