Category Nuances for urea:

• special,
• organic,
• nitrogenous,
• smaller,
• primary,
• biochemical,
• small,
• neutral,
• starting,
• unacceptable,
• soluble,
• inorganic,
• available,
• residual,
• medium,
• granular,
• essential,
• interfering,
• functional,
• crystalline,
• thermosetting,
• raw,
• nutrient,
• oxidizable,
• polar,
• rich,
• simple,
• active,
• salt,
• solid,
• inhibitory,
• standard,
• traditional,
• toxic,
• chemical,
• noxious,
• basic,
• melting,
• urinary,
• endogenous,
• endothermic,
• thermoplastic,
• dynamic,
• dissolved,
• sized,
• natural,
• cheap,
• diffusing,
• larger,
• refractory,
• harmful,
• thermoset,
• innocuous,
• important,
• stable,
• semirigid,
• model,
• related,
• particular,
• reliable,
• metabolic,
• poisonous,
• agricultural,
• significant,
• complex,
• five,
• nonionic,
• useful,
• consumable,
• common,
• charged,
• nonenzymatic,
• animal,
• powdered,
• difficult,
• real,
• synthetic,
• straight,
• dry,
• pungent,
• uncharged,
• hydroxy,
• biological,
• amino,
• inert,
• environmental,
• manufactured,
• physiological,
• destructive,
• sensitive,
• industrial,
• cationic,
• fluid,
• unwanted,
• metal,
• undesirable,
• harmless,
• hydrophilic,
• excretory,
• popular,
• hygroscopic,
• nontoxic,
• acid,
• concentrated,
• external,
• acidic,
• nonpolar,
• carbonyl,
• intermediate,
• rigid,
• corrosive,
• cellular,
• pure,
• auxiliary,
• unbound,
• resinous,
• molecular,
• irritating,
• relevant,
• unhealthy,
• damaging,
• reactive,
• proteinaceous,
• liquid,

Simple Categories for urea:

• paper,
• compound,
• solute,
• salt,
• nitrate,
• substrate,
• adhesive,
• material,
• amide,
• substance,
• intermediate,
• fluid,
• fertilizer,
• solid,
• preparation,
• constituent,
• waste,
• matter,
• derivative,
• mineral,
• measure,
• chemical,
• component,
• buffer,
• stabilizer,
• resin,
• particle,
• system,
• contaminant,
• unit,
• item,
• carrier,
• quantity,
• group,
• fertiliser,
• acid,