Zones

Zones, the name given to belts of climate on the surface of the earth marked off by the tropical and polar circles, of which the former are 23½° from the equator and the latter 23½° from the poles, the zone between the tropical circles, subject to extremes of heat, being called the Torrid Zone, the zones between the polar circles and the poles, subject to extremes of cold, being called respectively the North Frigid Zone and the South Frigid Zone, and the zones north and south of the Torrid, subject to moderate temperature, being called respectively the North Temperate, and the South Temperate Zone.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Zollverein * Zoroaster, Zarathusthra
Zlatoust
Zoar
Zöckler, Otto
Zodiac
Zodiacal Light
Zohar
Zoilus
Zola, Émile
Zolaism
Zollverein
Zones
Zoroaster, Zarathusthra
Zosimus
Zouaves
Zoutspansberg
Zschokke, Johann Heinrich
Zug
Zuider Zee
Zuleika
Zululand
Zulus