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a. A half of a sphere bounded by a great circle.
b. A half of a symmetrical, approximately spherical object as divided by a plane of symmetry.
2. Either half of the celestial sphere as divided by the ecliptic, the celestial equator, or the horizon.
3. Either the northern or southern half of the earth as divided by the equator or the eastern or western half as divided by a meridian.
4. Anatomy
a. Either of the lateral halves of the cerebrum; a cerebral hemisphere.
b. Either of the lateral halves of the cerebellum; a cerebellar hemisphere.

hem′i·spher′ic (-sfîr′ĭk, -sfĕr′-), hem′i·spher′i·cal adj.
hem′i·spher′i·cal·ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.hemispherical - of or relating to or being a hemisphere
نِصْف كُرَوي
félgömb alakú
yarım küre şeklinde


(ˈhemisfiə) noun
one half of the Earth. Singapore and the British Isles are in the northern hemisphere.
ˌhemiˈspherical (-ˈsfe-) adjective
like half a ball in shape.
References in periodicals archive ?
Diana Taylor and Jill Lane make similar observations about the importance of thinking hemispherically.
A critical feature of our fly's eye cameras is that they incorporate integrated microlenses, photodetectors, and electronics on hemispherically curved surfaces," said Jianliang Xiao, an assistant professor of mechanical engineering at University of Colorado Boulder and coauthor of the study.
Due to this indirect effect, the solar cycle does not impact hemispherically averaged temperatures, but only leads to regional temperature anomalies,' said Stephan Pfahl, another of the study's authors.
Rondineau, "Scattering of spherically and hemispherically stratified lenses fed by any real source," IEEE Trans.
The right of indigenous peoples to self-representation and to develop autonomous intellectual projects of political and cultural self-determination has become increasingly foregrounded as one of the central demands hemispherically of Indian movements of liberation.