Lexic.us

Definition of Nitrogen cycle

1. Noun. The circulation of nitrogen; nitrates from the soil are absorbed by plants which are eaten by animals that die and decay returning the nitrogen back to the soil.

Medical Definition of Nitrogen cycle

1. The global cycle of moving various forms of nitrogen through the air, water, soil, plants, animals of the planet. See: nitrogen fixation. (09 Oct 1997)

Lexicographical Neighbors of Nitrogen Cycle

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