stream bifurcation
61Oral hygiene — is the practice of keeping the mouth and teeth clean to prevent dental problems, especially the common dental caries and gingivitis, and bad breath. There are oral pathologic conditions in which a good oral hygiene is required for healing and… …
62Process and Reality — Der Essay Prozess und Realität ist ein zuerst 1929 in New York unter dem Originaltitel Process and Reality: An Essay in Cosmology erschienes Werk des britischen Philosophen und Mathematikers Alfred North Whitehead (1861–1947). Es ist… …
63Bouillon (Manche) — Jullouville 48°46′15″N 1°34′02″O / 48.77083, 1.56722 …
64Jullouville — 48° 46′ 15″ N 1° 34′ 02″ W / 48.770890, 1.567108 …
65Jullouville-les-Pins — Jullouville 48°46′15″N 1°34′02″O / 48.77083, 1.56722 …
66Saint-Michel-des-Loups — Jullouville 48°46′15″N 1°34′02″O / 48.77083, 1.56722 …
67star cluster — Astron. a number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. * * * ▪ astronomy Introduction either of two general types of stellar assemblages held… …
68Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… …
69Orinoco River — Major river, South America. It rises on the western slopes of the Parima Mountains along the border between Venezuela and Brazil. It flows in a giant arc through Venezuela for about 1,700 mi (2,740 km) and enters the Atlantic Ocean near the… …
70Charon's obol — Charon and Psyche (1883), a pre Raphaelite interpretation of the myth by John Roddam Spencer Stanhope Charon s obol is an allusive term for the coin placed in or on the mouth[1] of a dead person before burial. According to …
