Category Nuances for selenium:

• toxic,
• exogenous,
• sensitive,
• supplemental,
• heavy,
• animal,
• chemical,
• popular,
• dissolved,
• dietary,
• photoconductive,
• powdered,
• covalent,
• volatile,
• native,
• inorganic,
• noxious,
• manufactured,
• basic,
• polyvalent,
• semiconducting,
• abundant,
• poisonous,
• minor,
• beneficial,
• photosensitive,
• powerful,
• important,
• hazardous,
• critical,
• essential,
• individual,
• fluid,
• protective,
• traditional,
• pure,
• up,
• soluble,
• additional,
• major,
• active,
• metal,
• external,
• common,
• useful,
• cellular,
• single,
• raw,
• molecular,
• effective,
• solid,
• organic,
• red,
• harmful,
• endogenous,
• synergistic,
• small,
• vital,
• metabolic,
• minute,
• supportive,
• special,
• rare,
• key,
• functional,
• radioactive,
• regulated,
• nutritional,
• healthy,
• amorphous,
• smaller,
• biological,
• elemental,
• everyday,
• natural,
• mobile,
• costly,
• heavier,

Simple Categories for selenium:

• metal,
• group,
• atom,
• material,
• amount,
• nutrient,
• solid,
• antioxidant,
• item,
• volatile,
• food,
• constituent,
• element,
• substance,
• component,
• poison,
• agent,