bi·​ome | \ ˈbī-ˌōm How to pronounce biome (audio) \

Definition of biome

: a major ecological community type (such as tropical rain forest, grassland, or desert)

Examples of biome in a Sentence

Recent Examples on the Web The area in central Brazil is also home to the Cerrado biome, one of the oldest and most diverse ecosystems in the world. Lucy Sherriff, CNN, 23 Mar. 2022 But major declines occurred in every biome save one and in nearly every species. Naomi Oreskes, Scientific American, 21 Mar. 2022 The boreal forest is the largest terrestrial biome in the world. Emily Schwing, Scientific American, 14 Dec. 2021 Ninety percent of all deforested areas in the Amazon biome have been turned into pastures, according to an August report by the sustainable development research group Imazon, or Amazon Institute of Man and Environment. Marcia Reverdosa, CNN, 1 Nov. 2021 Schwing: The boreal forest, also known as Taiga, is the largest terrestrial biome on the planet. Emily Schwing, Scientific American, 27 Dec. 2021 The typically frozen biome failed its annual health check due to the climate crisis. Ashley Strickland, CNN, 18 Dec. 2021 Scenes from Before are intercut with scenes of Chicago’s balmy future (those palm fronds are far too large to grow in the temperate forest biome). Amanda Whiting, Vulture, 17 Dec. 2021 Cerrado ecoregion is providing a framework for rural communities and the natural biome to thrive. Lindsey Mcginnis, The Christian Science Monitor, 17 Dec. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biome.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of biome

1916, in the meaning defined above

History and Etymology for biome

bi- entry 2 + -ome

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Last Updated

6 May 2022

Cite this Entry

“Biome.” Dictionary, Merriam-Webster, Accessed 24 May. 2022.

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More Definitions for biome


bi·​ome | \ ˈbī-ˌōm How to pronounce biome (audio) \

Kids Definition of biome

: a major type of community of distinctive plants and animals living together in a particular climate and physical environment

More from Merriam-Webster on biome

Nglish: Translation of biome for Spanish Speakers Encyclopedia article about biome


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