Category Nuances for urea:

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

Simple Categories for urea:

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