western hemisphere: meaning, definition, pronunciation and examples
C1Formal, Academic, Geographical, Political
Quick answer
What does “western hemisphere” mean?
The half of the Earth that lies west of the Prime Meridian and east of the International Date Line, containing the Americas and their surrounding waters.
Audio
Pronunciation
Definition
Meaning and Definition
The half of the Earth that lies west of the Prime Meridian and east of the International Date Line, containing the Americas and their surrounding waters.
A geopolitical, cultural, or historical concept referring to the nations and territories of the Americas, often in opposition to the Eastern Hemisphere.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. The term is equally understood in both varieties. American English is more likely to use it in political contexts (e.g., 'hemispheric security').
Connotations
In American geopolitical discourse, it often carries connotations of US leadership or regional policy. In British English, it is more purely geographical or historical.
Frequency
Higher frequency in American English due to the USA's location and its focus on inter-American relations.
Grammar
How to Use “western hemisphere” in a Sentence
in the Western Hemisphereof the Western Hemispherethroughout the Western HemisphereVocabulary
Collocations
Examples
Examples of “western hemisphere” in a Sentence
adjective
British English
- The Western Hemisphere trade bloc met in London to discuss agreements.
American English
- Western Hemisphere policy is a key focus for the State Department.
Usage
Meaning in Context
Business
Refers to markets and trade agreements within the Americas, e.g., 'Our company is expanding its operations across the Western Hemisphere.'
Academic
Used in geography, history, and political science to discuss regional studies, colonialism, or comparative politics.
Everyday
Used in travel, news, and general discussions about world regions, e.g., 'Which countries in the Western Hemisphere have you visited?'
Technical
Used in meteorology (e.g., storm tracking), astronomy (celestial observations), and geodesy.
Vocabulary
Synonyms of “western hemisphere”
Strong
Neutral
Weak
Vocabulary
Antonyms of “western hemisphere”
Watch out
Common Mistakes When Using “western hemisphere”
- Capitalization error: writing 'western hemisphere' in lower case when it is a proper noun referring to the specific region.
- Using 'Western Hemisphere' to refer only to North America, excluding South and Central America.
FAQ
Frequently Asked Questions
No. The UK is located east of the Prime Meridian (0° longitude) and is therefore in the Eastern Hemisphere.
Generally, no. Most definitions place the dividing line at 20°W and 160°E longitudes. Fiji, being east of 160°E, is typically considered part of the Eastern Hemisphere.
'Western Hemisphere' is a geographical term for the Americas. 'The West' is a socio-political term typically referring to Europe, North America, Australia, and New Zealand, based on shared cultural and political values.
It is capitalised because it is a proper noun naming a specific, recognised region of the world, similar to 'the Arctic Circle' or 'the Pacific Ocean'.
The half of the Earth that lies west of the Prime Meridian and east of the International Date Line, containing the Americas and their surrounding waters.
Western hemisphere is usually formal, academic, geographical, political in register.
Western hemisphere: in British English it is pronounced /ˌwestən ˈhem.ɪ.sfɪər/, and in American English it is pronounced /ˌwestərn ˈhem.ə.sfɪr/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “From pole to pole in the Western Hemisphere.”
Learning
Memory Aids
Mnemonic
Think of the world split vertically. The WESTern Hemisphere is where you find the WEST – the Americas, where cowboys (the 'Wild West') are from.
Conceptual Metaphor
A SHARED SPACE (for cooperation, trade, security). A GARDEN (requiring tending/protection, as in 'Monroe Doctrine').
Practice
Quiz
Which of these continents is NOT entirely within the Western Hemisphere?