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Tardenoisian

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

traprock

(Encyclopedia)traprock: see Triassic period.

Azilian

(Encyclopedia)Azilian: see Mesolithic period.

Metonic cycle

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

New Stone Age

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

Old Stone Age

(Encyclopedia)Old Stone Age: see Paleolithic period. ...

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...

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...

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