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.
Standouts include prebiotics and probiotics to help balance the scalp biome, salicylic acid to slough away dry skin and stave off flakiness, and biotin to support thickness once growth kicks into gear. — Annie Blackman, InStyle, 2 Aug. 2026 The flat, accessible boardwalk runs in a quarter-mile loop along the sand, giving you an up-close look at this unique biome. — Cu Fleshman, Travel + Leisure, 16 July 2026 Pine cones provide an interesting way to view the different biomes found in the United States and its territories. — Torben Rick, The Conversation, 18 June 2026 Signature practices include overnight experiential field trips, large-scale interactive murals representing global biomes, and a unique environmental science curriculum. — Magda Liszewska, Oc Register, 8 June 2026 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

Rhymes for biome

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Browse Nearby Words

biomathematics
biome
biomechanical
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Cite this Entry

“Biome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biome. Accessed 9 Aug. 2026.

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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

Nglish: Translation of biome for Spanish Speakers

Britannica.com: Encyclopedia article about biome

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