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dark matter

(Encyclopedia)dark matter, material that is believed to make up nearly 27% of the mass of the universe but is not readily visible because it neither emits nor reflects electromagnetic radiation, such as light or ra...

Maurer, Alfred Henry

(Encyclopedia)Maurer, Alfred Henry môrˈər [key], 1868–1932, American painter, b. New York City. He was apprenticed as a lithographer, taught himself painting, and went to Europe in 1897, studying briefly at th...

Tanaka, Koichi

(Encyclopedia)Tanaka, Koichi, 1959–, Japanese engineer, B.S. Tohoku Univ., 1983. He has been a researcher at Shimadzu Corporation in Kyoto, Japan, since 1983. Tanaka shared the 2002 Nobel Prize in Chemistry with ...

Lynnfield

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

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