Columbia Encyclopedia

Search results

500 results found

Hereditary Western European Titles of Nobility (table)

(Encyclopedia)HEREDITARY WESTERN EUROPEAN TITLES OF NOBILITY ...

Rulers of England and Great Britain (table)

(Encyclopedia)Rulers of England and Great Britain(including dates of reign) Saxons and Danes House of Normandy House of Blois House of Plantagenet House of Lancaster House of York House of Tudor Ho...

tartar emetic

(Encyclopedia)tartar emetic, poisonous, odorless, transparent rhombic crystals or white powder with a metallic, sweetish taste. Chemically, it is potassium antimony tartrate, KSbC4H4O7·1⁄2H2O. It is used as a mo...

Berzelius, Jöns Jakob, Baron

(Encyclopedia)Berzelius, Jöns Jakob, Baron bərzēˈlēəs; Swed. yöns yäˈkôp bĕrsāˈlĭəs [key], 1779–1848, Swedish chemist, M.D. Univ. of Uppsala, 1802. He was noted for his work as teacher at the medic...

type metal

(Encyclopedia)type metal, alloy of lead with antimony, tin, and sometimes copper, so named because of its one time extensive use for making printing type. Expanding upon solidification, the alloy takes a fine and c...

holmium

(Encyclopedia)holmium hōlˈmēəm [key] [Lat.,=Stockholm], metallic chemical element; symbol Ho; at. no. 67; at. wt. 164.93032; m.p. about 1,474℃; b.p. about 2,425℃; sp. gr. 8.78 at 25℃; valence +3. Holmium ...

Aymé, Marcel

(Encyclopedia)Aymé, Marcel märsĕlˈ āmāˈ [key], 1902–67, French writer. Aymé's La Table aux crevés (1929), a story of peasant life, typifies the satirical tone of his works. La Jument verte (1933, tr. The...

lead, chemical element

(Encyclopedia)lead, metallic chemical element; symbol Pb [Lat. plumbum]; at. no. 82; at. wt. 207.2; m.p. 327.502℃; b.p. about 1,740℃; sp. gr. 11.35 at 20℃; valence +2 or +4. One of the oldest metals used by h...

strontium

(Encyclopedia)strontium strŏnˈshēəm [key] [from Strontian, a Scottish town], a metallic chemical element; symbol Sr; at. no. 38; at. wt. 87.62; m.p. 769℃; b.p. 1,384℃; sp. gr. 2.6 at 20℃; valence +2. Stro...

fluorine

(Encyclopedia)fluorine flo͞oˈərēn, –rĭn [key], gaseous chemical element; symbol F; at. no. 9; at. wt. 18.9984; m.p. −219.6℃; b.p. −188.14℃; density 1.696 grams per liter at STP; valence −1. Fluorin...