Columbia Encyclopedia

Search results

500 results found

Periodic Table of the Elements: Ytterbium

(Encyclopedia)Periodic Table of the Elements: Ytterbium ...

Periodic Table of the Elements: Yttrium

(Encyclopedia)Periodic Table of the Elements: Yttrium ...

Periodic Table of the Elements: Zinc

(Encyclopedia)Periodic Table of the Elements: Zinc ...

Periodic Table of the Elements: Zirconium

(Encyclopedia)Periodic Table of the Elements: Zirconium ...

nutation

(Encyclopedia)nutation, in astronomy, a slight wobbling motion of the earth's axis. The causes of nutation are similar to those of the precession of the equinoxes, involving the varying attraction of the moon on th...

Periodic Table of the Elements: Thallium

(Encyclopedia)Periodic Table of the Elements: Thallium ...

Solent, The

(Encyclopedia)Solent, The sōˈlənt [key], channel, c.30 mi (50 km) long and 3⁄4 to 5 mi (1.2–8 km) wide, between the Isle of Wight and Hampshire, S England. It serves as an anchorage for ships entering Southa...

fall, the

(Encyclopedia)fall, the, i.e., the fall of man, in Christian thought: see original sin; grace. ...

Curragh, the

(Encyclopedia)Curragh, the kûrˈəkh [key], undulating plain or common, 4,885 acres (1,977 hectares), Co. Kildare, E Republic of Ireland. It has been a military camp since 1646. The Curragh racecourse is Ireland's...

Peter IV, king of Aragón

(Encyclopedia)Peter IV (Peter the Ceremonious), 1319?–1387, king of Aragón and count of Barcelona (1336–87); son and successor of Alfonso IV. He supported Alfonso XI of Castile at the battle of Tarifa (1340), ...