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manganese

(Encyclopedia) manganesemanganesemăngˈgənēs, mănˈ– [key] [Lat.,=magnet], metallic chemical element; symbol Mn; at. no. 25; at. wt. 54.93805; m.p. about 1,244℃; b.p. about 1,962℃; sp. gr. 7.2 to 7.45…

zirconium

(Encyclopedia) zirconiumzirconiumzərkōˈnēəm [key], metallic chemical element; symbol Zr; at. no. 40; at. wt. 91.224; m.p. about 1,852℃; b.p. 4,377℃; sp. gr. 6.5 at 20℃; valence +2, +3, or +4.…

Scotland, Church of

(Encyclopedia) Scotland, Church of, the established national church of Scotland, Presbyterian (see Presbyterianism) in form. The first Protestants in Scotland, led by Patrick Hamilton, were…

Albury-Wodonga

(Encyclopedia) Albury-WodongaAlbury-Wodongaôlˈbərē-wədôngˈgə [key], twin cities (2016 combined pop. 83,104). Albury is in New South Wales, SE Australia, on the Murray River. Wodonga is on the S side…

Corneille

(Encyclopedia) Corneille (Guillaume Cornelis van Beverloo)Corneillekôrnāˈyə [key], 1922–2010, Belgian painter. Corneille was a member of CoBrA, the European group (1948–51) allied with abstract…

cortex

(Encyclopedia) cortex, in botany, term generally applied to the outer soft tissues of the leaves, stems, and roots of plants. Cortical cells of the leaves and outer layers of nonwoody stems contain…

Geissler tube

(Encyclopedia) Geissler tubeGeissler tubegīsˈlər [key], gas discharge tube in which light is produced when an electric discharge passes through the rarefied gas in the tube. The color of the glow…

Hebron, in the Bible

(Encyclopedia) HebronHebronhēˈbrn [key], in the Bible. 1 A Kohathite descendant of Levi. 2 A name appearing in the genealogical lists of Judah. 3 City, see Hebron, city, West Bank. 4 An unlocated…

Holston

(Encyclopedia) Holston, river, c.120 mi (190 km) long, formed by the uniting of its northern and southern forks, NE Tenn., and flowing SW through the Great Appalachian Valley, joining the French…

Absalom

(Encyclopedia) AbsalomAbsalomăbˈsəlŏm [key], in the Bible, son of David. He murdered his half-brother Amnon for the rape of their sister Tamar, and fled. No sooner was he reconciled with his father…