landmass

noun

land·​mass ˈland-ˌmas How to pronounce landmass (audio)
: a large area of land
continental landmasses

Examples of landmass in a Sentence

the islands of Ireland and Great Britain were once part of the Eurasian landmass
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The East Pilbara Terrain, which is part of the Pilbara Craton, contains an approximately 125-mile-diameter landmass containing mostly Paleoarchaean cratonic crust, estimated to be about 3.48 billion years old, according to the paper. Julia Jacobo, ABC News, 7 Mar. 2025 During that time, landmasses consolidated into a supercontinent called Rodinia and then broke apart again. Mindy Weisberger, CNN, 26 Feb. 2025 In other models, conditions were milder and the development of cyanobacteria then depended upon the availability of freshwater and how much of Earth's landmass was above sea level. Keith Cooper, Space.com, 21 Feb. 2025 Over the past 30 years, more than three-quarters of the Earth’s landmass has become drier. Narcisa Pricope, The Conversation, 10 Feb. 2025 See All Example Sentences for landmass

Word History

First Known Use

1856, in the meaning defined above

Time Traveler
The first known use of landmass was in 1856

Browse Nearby Words

Cite this Entry

“Landmass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/landmass. Accessed 24 Mar. 2025.

Kids Definition

landmass

noun
land·​mass -ˌmas How to pronounce landmass (audio)
: a large area of land

More from Merriam-Webster on landmass

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!