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.
A newly identified dinosaur species discovered during construction work in northeastern Brazil is offering fresh clues about how giant dinosaurs spread across ancient continents.
From Science Daily ● Sep. 8, 2026
The UN has just called for the predominant world map to be replaced with one that more accurately reflects the true size of continents like Africa.
From BBC ● Sep. 5, 2026
"Equal Earth preserves the relative surface areas of continents and, as much as possible, shows their shapes as they appear on a globe," one of the cartographers, Bojan Savric, told AFP in 2025.
From Barron's ● Sep. 4, 2026
Rams owner Stan Kroenke has agreed to buy the Angels, adding Major League Baseball to a portfolio that spans six leagues and two continents.
From Los Angeles Times ● Sep. 1, 2026
Acts that have been training in separate countries on separate continents now perform in adjacent tents, each part melding seamlessly into a whole.
From "The Night Circus" by Erin Morgenstern
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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.