hemisphere /ˈhɛməˌsfiɚ/ noun plural hemispheres
plural hemispheres
Learner's definition of HEMISPHERE
[count]
1
: a half of the Earth（地球的）半球 -
the Northern/Southern Hemisphere [=the half of the Earth that is north/south of the equator]北/南半球
-
the Eastern Hemisphere [=the half of the Earth that is east of the Atlantic Ocean and that includes Europe, Africa, Asia, and Australia]东半球
-
the Western Hemisphere [=the half of the Earth that is west of the Atlantic Ocean and that includes North and South America]西半球
2
: half of a sphere : half of a round object（球状物的）半球
3
technical : either of the two halves of the brain脑半球 — hemispheric
/ˌhɛməˈsfirɪk/ or hemispherical /ˌhɛməˈsferɪkəl/ adjective, technical