• synonyms


noun Geology.
  1. a part of the continental crust above sea level having a distinct identity, as a continent or large island.
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Origin of landmass

First recorded in 1855–60; land + mass
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for land-mass

Historical Examples of land-mass

  • This determines the degree of their isolation from the land-mass.

    Influences of Geographic Environment

    Ellen Churchill Semple

  • The larger a land-mass is, the nearer it approaches to others.

  • The Eastern blacks are found mainly in the archipelagoes lying between the Asiatic land-mass and Australia.

  • The independence of a land-mass is based not alone on size: there is also an independence of location.

British Dictionary definitions for land-mass


  1. a large continuous area of land, as opposed to seas or islands
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

land-mass in Science


  1. A large, continuous area of land, such as a continent or a very large island.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.