| Dictionary entry | Language | Definition |
|---|---|---|
| bio- | English (eng) | Life. Organic life. |
| -sphere | English (eng) | (mathematics) Used to form nouns indicating a sphere of x dimensions. Designating some layer of the Earth. |
| biosphere | English (eng) | The part of the Earth and its atmosphere capable of supporting life. The totality of living organisms and their environment. |