mid-ocean ridge
noun
\
Definition of mid-ocean ridge
: an elevated region with a central valley on an ocean floor at the boundary between two diverging tectonic plates where new crust forms from upwelling magma
Examples of mid-ocean ridge in a Sentence
Recent Examples on the Web
That could make more sense if mid-ocean ridge eruptions were pumping out extra CO2. — Scott K. Johnson, Ars Technica, "End-Cretaceous asteroid impact seems to have juiced seafloor volcanoes," 8 Feb. 2018 There are submarine volcanoes, along Earth's mid-ocean ridges, that have been erupting longer. — Doyle Rice, USA TODAY, "Hawaii volcano: The science behind the eruption of Kilauea," 7 May 2018 The mid-ocean ridges and dinosaurs continue their normal activity. — Smithsonian, "The Meteorite That Killed the Dinosaurs May Have Also Triggered Underwater Volcanoes," 8 Feb. 2018 The mid-ocean ridges on the seafloor, however, keep records. — Scott K. Johnson, Ars Technica, "End-Cretaceous asteroid impact seems to have juiced seafloor volcanoes," 8 Feb. 2018 The mid-ocean ridges erupt large volumes of magma, while the Deccan Traps eruptions flood lava across much of the Indian subcontinent. — Smithsonian, "The Meteorite That Killed the Dinosaurs May Have Also Triggered Underwater Volcanoes," 8 Feb. 2018 However, this is only true for the faster-spreading mid-ocean ridges of the Pacific and Indian Oceans. — Scott K. Johnson, Ars Technica, "End-Cretaceous asteroid impact seems to have juiced seafloor volcanoes," 8 Feb. 2018 This phenomenon may have resulted from repeating pulses of volcanism along mid-ocean ridges, which previous research has linked to cycles of ice ages and warming. — Terri Cook, Scientific American, "Hunt for Flight MH370 Takes Searchers into Uncharted Territory," 1 July 2017 This new magma percolates its way to the surface and fuels nearly continuous volcanic activity along what are known as mid-ocean ridges. — Smithsonian, "The Meteorite That Killed the Dinosaurs May Have Also Triggered Underwater Volcanoes," 8 Feb. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mid-ocean ridge.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Keep scrolling for more
Comments on mid-ocean ridge
What made you want to look up mid-ocean ridge? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Great Scrabble Words—A Quiz
-
- Which of the following Q-without-U words means the number five in cards or dice?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quiz -
Which Came First? Quiz
Do you know which word is older?
Take the quiz -
True or False?
Test your knowledge - and maybe learn something along the way.
Take the quiz -
Bee Cubed
Listen to the words and spell through all three levels.
Play the game
Share mid-ocean ridge
Resources for mid-ocean ridge