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Meaning of “world” in the English Dictionary

"world" in British English

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worldnoun

uk   /wɜːld/  us   /wɝːld/
  • world noun (THE EARTH)

A1 [S] the earth and all the people, places, and things on it: Different parts of the world have very different climatic conditions. Which bridge has the longest span in the world? News of the disaster shocked the (whole/entire) world. We live in a changing world and people must learn to adapt. She's a world authority on foetal development. a world record/championship

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  • world noun (GROUP/AREA)

B1 [C usually singular] a group of things such as countries or animals, or an area of human activity or understanding: the Muslim world the modern/industrialized world the animal world stars from the rock music world Unexpected things can happen in the world of subatomic particles.

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  • world noun (PLANET)

[C] a planet or other part of the universe, especially one where life might or does exist: There was a man on the news last night who believes we've been visited by beings from other worlds.
(Definition of world from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"world" in American English

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worldnoun

 us   /wɜrld/
  • world noun (THE EARTH)

[U] the planet on which human life has developed, esp. including all people and their ways of life: People from all over the world will be attending the conference. The rapid growth of computers has changed the world.
[U] The world can also mean the whole physical universe: The world contains many solar systems, not just ours.
  • world noun (WHOLE AREA)

[C] all of a particular group or type of thing, such as countries or animals, or a whole area of human activity or understanding: the animal/plant world the business world the world of entertainment In the world of politics, the president’s voice is still the most powerful in the nation.
  • world noun (LARGE DEGREE)

[U] a large degree; a lot: There’s a world of difference between the two hotels.
(Definition of world from the Cambridge Academic Content Dictionary © Cambridge University Press)

"world" in Business English

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worldnoun [C, usually singular]

uk   us   /wɜːld/
a particular area of activity: Our world of work is changing rapidly. the world of advertising/the internet the business/corporate world
(Definition of world from the Cambridge Business English Dictionary © Cambridge University Press)
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