hemisphere

IPA/ˈhemɪsfɪə(r)/
KK[hˈɛmɪsfˌɪr]IPA/ˈhemɪsfɪr/

hemisphere — noun

  • hemispheresingular
  • hemispheresplural

1. either of the two large parts the Earth is divided into, such as the area north

1.名詞B2
釋義

either of the two large parts the Earth is divided into, such as the area north or south of the equator

例句

Most of Australia lies in the Southern Hemisphere.

collocation: Southern Hemisphere

July brings winter weather to countries in the southern hemisphere.

同義詞
反義詞

用法筆記

Often appears in the set phrases 'Northern Hemisphere' and 'Southern Hemisphere'. It can also describe east-west divisions in geography.

常見錯誤

❌Brazil is in the south hemisphere.
✅Brazil is in the Southern Hemisphere.
💡this phrase normally uses the capitalized form 'Southern Hemisphere'.

2. either the left or right side of the brain, with each side responsible for diffe

2.名詞C1
釋義

either the left or right side of the brain, with each side responsible for different kinds of activity

例句

The stroke damaged the left hemisphere of Liang's brain.

left hemisphere

Doctors found unusual activity in one hemisphere during the scan.

同義詞
反義詞

用法筆記

Most often used with 'left' or 'right'. This sense is medical or scientific, unlike Sense 1, which refers to the Earth.

常見錯誤

❌The injury hurt the left side of his body hemisphere.
✅The injury affected the left hemisphere of his brain.
💡'hemisphere' in this sense refers to the brain, not the body.

3. one of the two equal solid parts made when a round shape is cut through its cent

3.名詞C1
釋義

one of the two equal solid parts made when a round shape is cut through its centre

例句

The architect placed a glass hemisphere over the museum entrance.

shape noun: glass hemisphere

The class made a clay hemisphere by slicing a ball in half.

同義詞
  • half-sphere

    descriptive geometry phrase

  • dome

    similar in shape, but often used for buildings rather than exact geometry

反義詞
  • sphere

    the full round solid shape

用法筆記

Used in geometry, design, and science for a half-sphere shape. Unlike Sense 1, it refers to any round solid object, not specifically the Earth.

常見錯誤

❌The toy was shaped like a sphere cut on one side.
✅The toy was shaped like a hemisphere.
💡use 'hemisphere' for one half of a round solid shape.