bi·​ome ˈbī-ˌōm How to pronounce biome (audio)
: a major ecological community type (such as tropical rainforest, grassland, or desert)

Examples of biome in a Sentence

Recent Examples on the Web Hawaii’s volcanic islands, variety of biomes and isolation from the continental U.S. have produced species unlike those seen elsewhere, Kamelamela said. Sakshi Venkatraman, NBC News, 12 Aug. 2023 Most of Canada is covered by boreal forest, the world’s largest and most intact biome. Alaa Elassar, CNN, 1 July 2023 Since everyone’s microbiome is composed differently, probiotic supplements can react to the biome in different ways, causing different side effects. Cori Ritchey, Men's Health, 11 Jan. 2023 The final document will comprise measures for the sustainable development of the Amazon, protecting the biome, and promoting social inclusion, science, technology, and innovation while valuing Indigenous peoples and their knowledge, Brazil’s presidential palace said in a statement. Eléonore Hughes, The Christian Science Monitor, 8 July 2023 Cargill has previously pledged to ensure its soy from the Amazon and the Cerrado biome is deforestation-free by 2025, and to eradicate deforestation entirely by 2030. Olivia Rudgard,, 4 May 2023 Everyone has a different biome, to the point where two siblings can have completely different biomes. Amber Smith, Discover Magazine, 15 Dec. 2022 The experience of walking through these four unique biomes was just enlightening, from the butterfly habitat to the monkeys to the beehive, with the sound of the beehive being pumped into the insect biome. San Diego Union-Tribune, 18 Oct. 2022 But that can happen if your gut biome is out of whack. Amber Smith, Discover Magazine, 16 Oct. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'biome.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


bi- entry 2 + -ome

First Known Use

1916, in the meaning defined above

Time Traveler
The first known use of biome was in 1916

Dictionary Entries Near biome

Cite this Entry

“Biome.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2023.

Kids Definition


bi·​ome ˈbī-ˌōm How to pronounce biome (audio)
: a major type of ecological community

More from Merriam-Webster on biome

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