biome

noun

bi·​ome ˈbī-ˌōm 

: a major ecological community type (such as tropical rainforest, grassland, or desert)

Examples of biome in a Sentence

Recent Examples on the Web

Dune and swale systems are globally rare; this topographic variation — upland in the dunes, lowland in the swales — combines with the region’s unique confluence of biomes — particularly oak savanna, prairie and wetlands — to pack a lot of biodiversity into the preserve’s 42 acres. —Adriana Pérez, Chicago Tribune, 31 Aug. 2025

No new biomes or creatures outside of the singular planet. —Paul Tassi, Forbes.com, 27 Aug. 2025

Oracle: Biosphere 2 Biosphere 2 is a living laboratory where people can see five of Earth's biomes under a collection of glass domes. —Michael Salerno, AZCentral.com, 26 Aug. 2025

The scientific community has now accepted that bacteria and archaea thrive in the subsurface, representing a massive biome that collectively outweighs more than 200 million blue whales, according to Lloyd’s calculations. —Laura Poppick, Quanta Magazine, 20 Aug. 2025

Word History

Etymology

bi- entry 2 + -ome

First Known Use

1916, in the meaning defined above

Rhymes for biome

• genome
• megohm
• nichrome
• noisome
• prodrome
• radome
• rhizome
• shalom
• syndrome
• acrosome
• aerodrome
• catacomb

Kids Definition

biome

noun

bi·​ome ˈbī-ˌōm 

: a major type of ecological community