Australia
Americannoun
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a continent southeast of Asia, between the Indian and Pacific Oceans. 2,948,366 square miles (7,636,270 square kilometers).
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Commonwealth of Australia, a member of the Commonwealth of Nations, consisting of the federated states and territories of Australia and Tasmania. 2,974,581 square miles (7,704,165 square kilometers). Canberra.
noun
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The first settlements there were penal colonies for British convicts.
Its aboriginal tribes, which still exist today (see aborigines), are thought to have migrated from Southeast Asia twenty thousand years ago.
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Example Sentences
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In December, Australia became the first country in the world to require TikTok, YouTube, Snapchat and other top sites to remove accounts held by under-16s or face heavy fines.
From Barron's • Jun. 10, 2026
“Sigma continuously reviews opportunities that would create value for shareholders and has engaged in preliminary discussions in relation to the sale process,” the pharmacy group said in an Australia stock-exchange filing Wednesday.
From The Wall Street Journal • Jun. 10, 2026
Mexico is unbeaten in eight games this year, including wins over World Cup qualifiers Panama, Ghana and Australia and draws with Belgium and Portugal.
From Los Angeles Times • Jun. 10, 2026
La Niña typically brings wetter conditions to parts of Australia, Indonesia and equatorial South America, and drier conditions to the southern US.
From BBC • Jun. 9, 2026
We had a collection of pressed flowers and many shells, not only the local kinds from the Bournemouth beach but exotic ones collected by my adventurous great-grandfather during his travels to Australia and such places.
From "My Life with the Chimpanzees" by Jane Goodall
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.