Biome

Part of speech: noun

Pronunciation: /ˈbaɪ.oʊm/

Definitions

1. a large geographical area characterized by distinctive climate, vegetation, and animal life that interact together as an ecological system
2. A significant ecological region defined by specific climate conditions, flora, and fauna that coexist and influence each other within their environment
3. An extensive ecological zone distinguished by unique climatic factors, plant species, and animal populations that collectively form a self-regulating ecosystem

Etymology: "Biome" is a compound built from two Greek-derived elements. The first, "bio-", comes from Greek "bios," meaning life. The second, "-ome," is a suffix borrowed from the pattern of "genome," itself a coinage from "gene" and "chromosome," which is why the ending sounds like a unit of something whole. The pairing was made deliberately to name a whole living community rather than a single organism or gene. Scientists needed a word for a large region where plants, animals, and climate form one connected system, and the new formation gave them one. The ending borrows the sense of a total, complete set, so a biome is understood as everything living in a place taken together. The word's surprising strength is how neatly it reflects its parts: "bio" supplies the living element and "-ome" supplies the idea of completeness. Ecologists use it for regions such as tundra or tropical rainforest, where the same climate, plants, and animals recur across the globe.

Synonyms: ecosystem, habitat, environment, biosphere, ecological community

Antonyms: desert, barren land, urban area, polluted environment, artificial habitat