Meaning & Definition of word "Biosphere"

Biosphere

/ˈbaɪoʊˌsfɪr/

noun:

  • 1. The global sum of all ecosystems; also known as the zone of life on Earth, it is the region of the planet where life exists, encompassing land, water, and the atmosphere.
    • Example: The biosphere is crucial for supporting various forms of life.
  • 2. The part of Earth and its atmosphere in which living organisms exist or that is capable of supporting life.
    • Example: Human activities have a significant impact on the health of the biosphere.
  • 3. The regions of the surface and atmosphere of the Earth or another planet occupied by living organisms.
    • Example: The exploration of Mars has raised questions about the possibility of a biosphere existing on other planets.
  • 4. The ecological realm of organisms and the environment in which they live.
    • Example: Climate change poses a threat to the delicate balance of the Earth's biosphere.

Etymology

From Greek 'bio-' meaning 'life' and 'sphere' meaning 'ball' or 'globe'.

Common Phrases and Expressions

biosphere reserve:

A protected area to conserve biodiversity and promote sustainable development.

biosphere 2:

A scientific facility in Arizona designed to replicate Earth's environment for research.

terrestrial biosphere:

The parts of the biosphere that are on land.

Related Words

ecosystem:

A biological community of interacting organisms and their physical environment.

biome:

A large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

habitat:

The natural home or environment of an animal, plant, or other organisms.

Slang Meanings of biosphere

Meaning: Referring to a sustainable lifestyle.

Example Sentence: He's living in the biosphere, focusing on eco-friendly practices.

Meaning: High-tech green living spaces.

Example Sentence: Their apartment feels like a biosphere with all those plants and solar panels.