continents
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According to the theory of plate tectonics, continents move along piggy-back on the tectonic plates like rafts floating on water.
Continents are made from the lightest rocks in the Earth. Some of these are also the oldest known rocks on Earth, with an age of 3.5 billion years, measured by radioactive dating.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The songs in question span genres, decades and continents, and include new artists, unsung heroes and more.
From Los Angeles Times • Jun. 10, 2026
With an estimated audience of some 350 million people on five continents, it was flower power’s finest moment.
From Salon • Jun. 4, 2026
Researchers have created a new global map showing where unusual volcanic rocks linked to rare earth elements are found, uncovering a striking connection to the oldest and thickest parts of Earth's continents.
From Science Daily • May 26, 2026
She has built a loyal fanbase, which spans across generations and continents, thanks to her joyful and romantic pop songs, which also expand into the worlds of jazz, alternative, R&B and folk.
From BBC • May 24, 2026
Eurasian peoples happened to inherit many more species of domesticable large wild mammalian herbivores than did peoples of the other continents.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
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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.