: a major ecological community type (such as tropical rainforest, grassland, or desert)
Examples of biome in a Sentence
Recent Examples on the Web
Minecraft uses Perlin noise and complex biome generation algorithms.
—
Amir Husain, Forbes.com, 29 Jan. 2026
Samus also runs across five allies, who provide help in the five biomes containing those keys.
—Gieson Cacho, Mercury News, 28 Jan. 2026
That’s not a great combo with a biome known for wildfires.
—Popular Science Team, Popular Science, 28 Jan. 2026
Probiotics seek to add healthy bacteria to the gut biome.
—Bestreviews, Chicago Tribune, 28 Jan. 2026
See All Example Sentences for biome
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.
Amir Husain, Forbes.com, 29 Jan. 2026
Samus also runs across five allies, who provide help in the five biomes containing those keys.
—Gieson Cacho, Mercury News, 28 Jan. 2026
That’s not a great combo with a biome known for wildfires.
—Popular Science Team, Popular Science, 28 Jan. 2026
Probiotics seek to add healthy bacteria to the gut biome.
—Bestreviews, Chicago Tribune, 28 Jan. 2026
See All Example Sentences for biome
Cite this Entry
“Biome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biome. Accessed 3 Feb. 2026.
Copy CitationKids Definition
biome
noun
bi·ome
ˈbī-ˌōm 
: a major type of ecological community
Love words? Need even more definitions?
Merriam-Webster unabridged
