单词	hemisphere
释义	English American hemispherenoun [ C ] uk/ˈhem.ɪ.sfɪər/us/ˈhem.ə.sfɪr/ one of two halves of the earth, especially above or below the equator: the northern/southern hemisphere specialized anatomy one of the two halves of the brain: the left/right hemisphere half of a sphere (= ball shape): The bush had been pruned into a perfect hemisphere. Thesaurus: synonyms and related words Geometry: parts of geometrical shapes angle circumference corresponding sides crosswise diameter frustum hypotenuse inclination line line segment node perimeter plane quadrant radius section side sin 1 vertex See more results » hemispherenoun [ C ] us/ˈhem·əˌsfɪər/ earth science half of the earth: The equator divides the earth into the northern and southern hemispheres. A hemisphere is also half of a ball-shaped object.
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