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blue shift

(Encyclopedia)blue shift or blueshift, in astronomy, the systematic displacement of individual lines in the spectrum of a celestial object toward the blue, or shorter wavelength, end of the visible spectrum. The am...

dolmen

(Encyclopedia)dolmen dŏlˈmĕn, dōl– [key] [Breton,=stone table], burial chamber consisting of two or more upright stone slabs supporting a capstone or table, typical of the Neolithic period in Europe. See mega...

Putnam, Herbert

(Encyclopedia)Putnam, Herbert, 1861–1955, American librarian, b. New York City; son of George P. Putnam. He served as librarian at the Minneapolis Athenaeum (1884–87) and of the Minneapolis Public Library (1887...

ziggurat

(Encyclopedia)CE5 Ziggurat ziggurat zĭgˈo͝orăt [key], form of temple common to the Sumerians, Babylonians and Assyrians. The earliest examples date from the end of the 3d millenium b.c., the latest from the...

boring mill

(Encyclopedia)boring mill, machine tool used to increase the size of a hole previously made in a workpiece, usually with the purpose of obtaining a required degree of finish and accuracy in the final hole. In a hor...

hieroglyphic

(Encyclopedia)CE5 Examples of hieroglyphics hieroglyphic hīˌrəglĭfˈĭk, hīˌərə– [key] [Gr.,=priestly carving], type of writing used in ancient Egypt. Similar pictographic styles of Crete, Asia Minor,...

inflection

(Encyclopedia)inflection, in grammar. In many languages, words or parts of words are arranged in formally similar sets consisting of a root, or base, and various affixes. Thus walking, walks, walker have in common ...

Walker, Robert

(Encyclopedia)Walker, Robert, d. 1658?, English painter, a follower of Van Dyck and favorite portraitist of Oliver Cromwell. His portraits of Cromwell and his family and followers are convincing studies of Puritan ...

games, children's

(Encyclopedia)games, children's, amusements or pastimes involving more than one child and in which there is some sort of formalized dramatic element, contest, or plot. Games are a cultural universal; for example, t...

billiards

(Encyclopedia)billiards, any one of a number of games played with a tapered, leather-tipped stick called a cue and various numbers of balls on a rectangular, cloth-covered slate table with raised and cushioned edge...