noun

hemisphere

hemisphere

Australia is in the Southern Hemisphere.

Australia is in the Southern Hemisphere.

The left hemisphere of the brain controls the right side.

The left hemisphere of the brain controls the right side.

((the Northern/Southern Hemisphere)) one half of the earth Australia is in the Southern Hemisphere.

((the left/right hemisphere of the brain)) one half of the brain The left hemisphere of the brain controls the right side.

Synonyms: half-sphere, half-globe.

From Greek 'hēmi-' (half) + 'sphaira' (sphere). Literally 'half of a sphere'.

Think 'hemi-' means half, like in 'semi-circle'. A hemisphere is just half a sphere.

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