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pneumothorax

(Encyclopedia)pneumothorax no͞omōthôrˈăks [key], collapse of a lung with escape of air into the pleural cavity between the lung and the chest wall. The cause may be traumatic (e.g., gunshot or stab wound), spo...

airmail

(Encyclopedia)airmail, transport of mail by airplanes. Demonstration flights that showed the feasibility of carrying mail by air were made in Great Britain and in the United States in 1911. In the United States, af...

Lynnfield

(Encyclopedia)Lynnfield, town (1990 pop. 11,274), Essex co., NE Mass.; inc. 1814. Primarily residential, Lynnfield is an important suburb of Boston. ...

Roy

(Encyclopedia)Roy, city (1990 pop. 24,603), Weber co., N Utah, near Great Salt Lake; settled by Mormons 1877, inc. 1937. Computer equipment is manufactured, and many residents work at nearby Hill Air Force Base. ...

Dorchester, town, United States

(Encyclopedia)Dorchester, Mass.: see Boston.

Rockland

(Encyclopedia)Rockland, industrial town (1990 pop. 16,123), Plymouth co., E Mass.; settled 1673, set off from Abington and inc. 1874. There is light manufacturing. ...

coagulation

(Encyclopedia)coagulation kōăgˌyo͞olāˈshən [key], the collecting into a mass of minute particles of a solid dispersed throughout a liquid (a sol), usually followed by the precipitation or separation of the s...

Lawrence, Abbott

(Encyclopedia)Lawrence, Abbott, 1792–1855, American manufacturer and statesman, b. Groton, Mass. Apprenticed (1808) to his brother Amos, a Boston merchant, Abbott became (1814) a partner with Amos in the firm kno...

Parkhurst, Charles Henry

(Encyclopedia)Parkhurst, Charles Henry, 1842–1933, American clergyman and reformer, b. Framingham, Mass., grad. Amherst 1866, and studied theology at Halle and Leipzig. He was pastor of the Congregational Church ...

pier

(Encyclopedia)pier, in engineering, term applied to a mass of reinforced concrete or masonry supporting a large structure, such as a bridge. When piers are built on ground of poor bearing value, it is often necessa...