noun bi·ome \ˈbī-ˌōm\

Definition of BIOME

:  a major ecological community type (as tropical rain forest, grassland, or desert)

Origin of BIOME

2bi- + -ome
First Known Use: 1916

Other Ecology Terms

Malthusian, anthropogenic, biomass, carbon footprint, crepuscular, niche, sere, symbiosis, taiga, tundra
BIOME Defined for Kids


noun bi·ome \ˈbī-ˌōm\

Definition of BIOME for Kids

:  a major type of community of distinctive plants and animals living together in a particular climate and physical environment


Next Word in the Dictionary: biomechanicsPrevious Word in the Dictionary: biomathematicsAll Words Near: biome
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears