: a major ecological community type (such as tropical rainforest, grassland, or desert)
Examples of biome in a Sentence
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The ceremony was a high point of my four-day visit to the Atlantic Forest, one of the world’s most diverse and fragile biomes.
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Kendall Hunter, Travel + Leisure, 17 Nov. 2025
This lush jungle environment is pretty different from anything seen in other Metroid games, which may have had biomes with vegetation and foliage, but never to this degree.
—Christopher Cruz, Rolling Stone, 14 Nov. 2025
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
See All Example Sentences for biome
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Kendall Hunter, Travel + Leisure, 17 Nov. 2025
This lush jungle environment is pretty different from anything seen in other Metroid games, which may have had biomes with vegetation and foliage, but never to this degree.
—Christopher Cruz, Rolling Stone, 14 Nov. 2025
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
See All Example Sentences for biome
Cite this Entry
“Biome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biome. Accessed 27 Nov. 2025.
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biome
noun
bi·ome
ˈbī-ˌōm 
: a major type of ecological community
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