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.
That alignment helps explain its backing of Spinnova, whose own model depends on pulling fragmented industry players into a single, functioning biome-business. Alexandra Harrell, Sourcing Journal, 18 Dec. 2025 And as the permafrost thaws, the tundra of the Arctic biome is shrinking, and the boreal forest biome is creeping northward, disrupting ecosystems. Andrea Thompson, Scientific American, 16 Dec. 2025 Taking supplements such as probiotics and turmeric may help improve and maintain a healthy gut biome. Health, 15 Dec. 2025 The majority of the planet’s biomes, or climate regions, are represented here, and Arizona is the only state to house all four of the nation’s deserts. Von Diaz, Bon Appetit Magazine, 11 Dec. 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 31 Dec. 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

Last Updated: - Updated example sentences
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