NITROGEN CYCLEnitrogen cycle · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:NITROGEN CYCLETier 1Ordinal150Pythagorean69Classical141Reverse201Reverse Reduction66Standard959Final Large1609Ordinal149Reduced32Atbash410Isopsephy1063Ordinal163Abjad801