Columbia Encyclopedia
Search results
51 results found
titanium
(Encyclopedia)titanium tītāˈnēəm, tĭ– [key] [from Titan], metallic chemical element; symbol Ti; at. no. 22; at. wt. 47.867; m.p. 1,675℃; b.p. 3,260℃; sp. gr. 4.54 at 20℃; valence +2, +3, or +4. Titani...Periodic Table of the Elements: Titanium
(Encyclopedia)Periodic Table of the Elements: Titanium ...rutile
(Encyclopedia)rutile, mineral, one of three forms of titanium dioxide (TiO2; see titanium). It occurs in crystals, often in twins or rosettes, and is typically brownish red, although there are black varieties. Ruti...Ti
(Encyclopedia)Ti, symbol for the element titanium. ...ilmenite
(Encyclopedia)ilmenite ĭlˈmĕnīt [key], black mineral, iron titanium oxide, FeTiO3, crystallizing in the hexagonal system. It is sometimes found as tabular hexagonal crystals but occurs more commonly as small gr...Whittingham, Michael Stanley
(Encyclopedia)Whittingham, Michael Stanley, 1941–, British-American chemist, Ph.D. Oxford, 1968. Whittingham worked for Exxon Research & Engineering from 1972 to 1984, then joined Schlumberger Ltd. In 1988, h...Spectral Classes for Main Sequence Stars (table)
(Encyclopedia)Characteristics of Spectral Classes for Main Sequence Stars ...Great Grimsby
(Encyclopedia)Great Grimsby or Grimsby, city, North East Lincolnshire, E central England, at the mouth of the Humber River. It is one of the largest fishing ports...M'Bour
(Encyclopedia)M'Bour əmbo͞orˈ [key], town, W Senegal, on the Atlantic Ocean. Ilmenite, rutile, and yirconium are extracted from the titanium ore mined nearby. M'Bour also processes and trades peanuts grown in th...Klaproth, Martin Heinrich
(Encyclopedia)Klaproth, Martin Heinrich märˈtēn hīnˈrĭkh kläpˈrōt [key], 1743–1817, German chemist. He is often referred to as the father of analytic chemistry. He recognized (1789) the presence of zirco...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
