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Azilian

(Encyclopedia)Azilian: see Mesolithic period.

Tardenoisian

(Encyclopedia)Tardenoisian: see Mesolithic period. ...

Metonic cycle

(Encyclopedia)Metonic cycle: see synodic period. ...

Clarendon, George William Frederick Villiers, 4th earl of

(Encyclopedia)Clarendon, George William Frederick Villiers, 4th earl of, 1800–1870, British statesman. He was ambassador (1833–39) to Spain during the difficult period of the Carlist war and then lord privy sea...

New Stone Age

(Encyclopedia)New Stone Age: see Neolithic period. ...

Merovingian art and architecture

(Encyclopedia)Merovingian art and architecture mĕrˌəvĭnˈjēən [key]. This period is named for Merovech, the founder of the first Germanic-Frankish dynasty (c.a.d. 500–a.d. 751). The Merovingian period was m...

growing season

(Encyclopedia)growing season, period during which plant growth takes place. In temperate climates the growing season is limited by seasonal changes in temperature and is defined as the period between the last killi...

Dione, in astronomy

(Encyclopedia)Dione dīōˈnē [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn IV (or S4), Dione is 695 mi (1,120 km) in diameter, orbits Saturn at a mean distanc...

baby boom

(Encyclopedia)baby boom, a period in which the birthrate is significantly higher than in other periods, especially the post–World War II period in the United States, Canada, Australia, and New Zealand. In the Uni...

Gilded Age

(Encyclopedia)Gilded Age, a term used to describe a period in United States history—from roughly 1870 to 1900—when the wealthy elite consisted of industrialists w...