Definition - nitrogen cycle

Below is the definition for the word you requested, useful for Scrabble and other word games. To find more definitions please use the dictionary page.

nitrogen cycle
  1. 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
  2. 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