hemisphere

Fetched 2026-10-26 (cache).

Synonyms: demisphere, semisphere, homosphere, memosphere, heliosphere, hemispheric, chemosphere, hemispheres, hemispherule

Antonyms: demisphere, semisphere, homosphere, memosphere, heliosphere, hemispheric, chemosphere, hemispheres, hemispherule

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|astronomy|astrology}} Half of the [[celestial sphere]], as divided by either the [[ecliptic]] or the [[celestial equator]] {{defdate|from 14th c.}}.
2. {{lb|en|figuratively}} A realm or domain of activity {{defdate|1503}}.
3. {{lb|en|geography}} Half of the [[Earth]], such as the [[Northern Hemisphere]], [[Southern Hemisphere]], [[Western Hemisphere]] or [[Eastern Hemisphere]], [[Land Hemisphere]], [[Water Hemisphere]] etc. {{defdate|1550s}}.
4. {{senseid|en|geometry}}{{lb|en|geometry}} Any half-[[sphere]], formed by a [[plane]] [[intersect]]ing the center of a sphere. {{defdate|1580s}}.
5. {{lb|en|cartography}} A map or projection of a celestial or terrestrial hemisphere {{defdate|1706}}.
6. {{lb|en|anatomy}} Either of the two [[halves]] of the [[cerebrum]]. {{defdate|1804}}.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.