Crossword clues for Nitrogen. 3 lettersAnswerClueAZOContaining nitrogen.AZONitrogenous 81-DownAZONitrogen-based dyeAZOContaining nitrogen: Prefix.AIRIt's 78% nitrogenAZOContaining nitrogen: Comb. form.AIRIt's mostly nitrogen and oxygenAZONitrogen typeAIRIt's mostly nitrogenGASNitrogen or neonAIRIt's about 78% nitrogenAZONitrogen-basedAZONitrogen: Comb. form.AZANitrogenous: Comb. formAIRNitrogen and oxygen.AIRIt's mostly nitrogen on Earth, but carbon dioxide on MarsGASHydrogen or nitrogen.GASNitrogen, e.g.GASNeon or nitrogenAZONitrogen: Prefix.AZONitrogenousAZODyes containing nitrogenGASNitrogen.AZODye containing a nitrogen compoundAIRIt consists of nitrogen, oxygen, etc.GASNitrogen or heliumGASNitrogen, for instanceAIR3 to 1 nitrogen to oxygenAZONitrogenous dyeAIRMixture that is mostly nitrogenAZODye that comes from the French word for nitrogenAIRIt's mainly nitrogenENSNitrogen symbolsAIRIt's roughly 78% nitrogenNITROGENExplosive elementNITROGEN80% of Earth's atmosphereNITROGENIngredient of airNITROGENFour-fifths of the atmosphereNITROGENSGaseous compounds.NITROGENAlkaloid constituent, by definitionNITROGENThe atmosphere, mostlyNITROGENLarge part of the atmosphere.NITROGENIt's in the airNITROGENMost of the atmosphereNITROGENAlmost 80% of the Earth's atmosphereNITROGENProduct of star fusionNITROGENImportant element.NITROGENNearly 80% of the atmosphereNITROGENEssential for plant growth.NITROGENFour-fifths of the earth's atmosphere.