Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: hemisphaerium, from Greek, from hemi- 'half' + sphairion 'small sphere'

hemisphere

noun
     
hem‧i‧sphere [countable]
1 a half of the earth, especially one of the halves above and below the equator:
the Northern hemisphere
2HB one of the two halves of your brain
3CF half of a sphere (=an object which is round like a ball)
hemispherical adjective

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary