dinitrogenase

noun 0.848

nitrogen fixation

noun 0.690

nitroreductase

noun 0.671

dinitrogen

noun 0.649

nitrogen

noun 0.646

diazotroph

noun 0.612

denitrification

noun 0.604

nitrogen oxide

noun 0.582

nitrogen cycle

noun 0.582

nitride

noun 0.567

nitrene

noun 0.561

nitroso

noun 0.560

nitrogen monoxide

noun 0.559

nitrone

noun 0.557

nitrogen tetroxide

noun 0.545

nitrogen dioxide

noun 0.545

dinitrogen pentoxide

noun 0.541

denitration

noun 0.541

transhydrogenase

noun 0.538

methanogen

noun 0.537

denitrogenation

noun 0.536

nitrofuran

noun 0.536

oxygenase

noun 0.534

azide

noun 0.532

diazene

noun 0.530

nitrogen mustard

noun 0.528

nitrate

noun 0.527

dioxygenase

noun 0.527

liquid nitrogen

noun 0.524

nitric oxide

noun 0.524

methanotroph

noun 0.523

urease

noun 0.522

rhizobium

noun 0.522

sodium azide

noun 0.521

nitroanilide

noun 0.521

reductase

noun 0.520

carbonitride

noun 0.520

nitrilotriacetate

noun 0.520

dehydrogenase

noun 0.518

nitrogen narcosis

noun 0.517

leghemoglobin

noun 0.515

dinitrogen tetroxide

noun 0.514

nitriding

noun 0.513

synthetase

noun 0.512

nitroguanidine

noun 0.512

nitrite

noun 0.511

nitrogen trichloride

noun 0.511

dismutase

noun 0.507

nuclease

noun 0.507

nitric

noun 0.507

nitrobenzene

noun 0.505

nitrous oxide

noun 0.501

nitrobenzyl

noun 0.500