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New World the Western Hemisphere. North and South America make up the New World.
Old World the Eastern Hemisphere, which includes Europe, Asia, Australia, and Africa.
out of this world (informal) very good; excellent.
think the world of to have a very high opinion of.
Third World countries that are poor and that depend on farming rather than business and industry for income.
World Wide Web a part of the Internet. The World Wide Web is made of documents called "pages" that are linked to each other.