biome

noun

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
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.
In another, a tropical rainforest biome allows scientists to measure the impact of climate change on the tops of the forest canopy. Shaun McKinnon, AZCentral.com, 4 Nov. 2025 In the forest, stumps become nurse logs that feed fungi and other key players in the biome. Erica Browne Grivas, Better Homes & Gardens, 27 Oct. 2025 That was my bi, that was my biome by this point. Outside Online, 22 Oct. 2025 Marvasti said eating a quarter-cup of kimchi several times a week is enough to introduce necessary probiotics and phytonutrients into your gut biome. Andrea Margolis, FOXNews.com, 8 Oct. 2025 See All Example Sentences for biome

Word History

Etymology

bi- entry 2 + -ome

First Known Use

1916, in the meaning defined above

Time Traveler
The first known use of biome was in 1916

Cite this Entry

“Biome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biome. Accessed 12 Nov. 2025.

Kids Definition

biome

noun
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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