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Northern Hemisphere

American  

noun

  1. the half of the earth between the North Pole and the equator.


northern hemisphere British  

noun

  1. that half of the globe lying north of the equator

  2. astronomy that half of the celestial sphere north of the celestial equator

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Northern Hemisphere Scientific  
/ nôrthərn /
  1. The half of the Earth north of the equator.

  2. The half of the celestial sphere north of the celestial equator.


Northern Hemisphere Cultural  
  1. The northern half of the Earth's surface; the half north of the equator.


Etymology

Origin of Northern Hemisphere

First recorded in 1885–90