Modifiers matching metal:

• cathodic,
• heavy,
• nontoxic,
• stimulating,
• toxic,
• uncompensated,
• free,
• noble,
• raw,
• pure,
• precious,
• nutrient,
• impermeable,
• offer,
• national,
• contemporary,
• active,
• liquid,
• valuable,
• smaller,
• robust,
• common,
• rare,
• distinct,
• acidic,
• underlying,
• native,
• concrete,
• extreme,
• miscellaneous,
• useful,
• atomic,
• dangerous,
• diverse,
• surrounding,
• diamagnetic,
• allergenic,
• plastic,
• white,
• light,
• deadly,
• secondary,
• alternative,
• deleterious,
• refined,
• divisible,
• benign,
• foreign,
• rough,
• mixed,
• resistant,
• particulate,
• insoluble,
• world,
• valent,
• underwater,
• industrial,
• electric,
• oxidizable,
• binding,
• color,
• homogeneous,
• unconventional,
• sacrificial,
• alkaline,
• ceramic,
• organic,
• radiopaque,
• divalent,
• foldable,
• interfering,
• abundant,
• immiscible,
• rigid,
• damaging,
• desirable,
• available,
• combustible,
• finished,
• carcinogenic,
• trivalent,
• interesting,
• new,
• supporting,
• earthy,
• brittle,
• anthropogenic,
• catalytic,
• nonessential,
• covalent,
• regular,
• dead,
• painted,
• skeletal,
• contrasting,
• impure,
• tangible,
• strong,
• modern,
• traditional,
• costly,
• nontraditional,
• sleek,
• isotropic,
• granular,
• regulated,
• proper,
• anisotropic,
• electropositive,
• stronger,
• antibacterial,
• buoyant,
• clean,
• technological,
• stable,
• compliant,
• base,
• essential,
• thin,
• wet,
• electrical,
• pyrotechnic,
• thick,
• bright,
• transuranic,
• usual,
• elementary,
• good,
• soluble,
• tensile,
• total,
• recoverable,
• bivalent,
• hidden,
• weatherproof,
• softer,
• general,
• polar,
• solar,
• anodic,
• melting,
• explosive,
• up,
• sustainable,
• red,
• semirigid,
• ornamental,
• diffusing,
• polish,
• necessary,
• stabilizing,
• noxious,
• inert,
• historic,
• chemical,
• salt,
• cubic,
• sticky,
• harmless,
• single,
• charged,
• flammable,
• variable,
• genuine,
• elegant,
• suitable,
• basic,
• brushed,
• waterborne,
• possible,
• tough,
• hard,
• amorphous,
• harder,
• attractive,
• convenient,
• dissolved,
• antiferromagnetic,
• innocuous,
• commercial,
• additional,
• porous,
• residual,
• soft,
• refractive,
• non-ferrous,
• sturdy,
• neutral,
• out,
• undesirable,
• prepared,
• waterproof,
• passive,
• beneficial,
• premium,
• hot,
• low,
• unhealthy,
• level,
• structured,
• automotive,
• recyclable,
• colour,
• acid,
• popular,
• environmental,
• decorative,
• inorganic,
• monovalent,
• non-precious,
• endogenous,
• monolithic,
• molten,
• heavier,
• textured,
• key,
• smooth,
• elastic,
• exogenous,
• ferromagnetic,
• iron,
• protective,
• semiconducting,
• multiple,
• poisonous,
• antimicrobial,
• alloyed,
• dry,
• ductile,
• suspended,
• nonporous,
• semiprecious,
• high,
• small,
• noncontroversial,
• specified,
• dissimilar,
• important,
• cylindrical,
• minor,
• over,
• relevant,
• rich,
• coated,
• strategic,
• monetary,
• resilient,
• volatile,
• corrosive,
• working,
• ordinary,
• special,
• tenacious,
• economic,
• major,
• harmful,
• large,
• beautiful,
• critical,
• finer,
• reusable,
• magnetic,
• simple,
• dietary,
• ionic,
• cheaper,
• fluid,
• intermediate,
• flat,
• primary,
• virgin,
• crystalline,
• normal,
• malleable,
• affordable,
• fine,
• specialized,
• cool,
• stray,
• nonmagnetic,
• reliable,
• antique,
• energetic,
• flexible,
• indigenous,
• compressible,
• disordered,
• stock,
• interior,
• standard,
• hazardous,
• medium,
• powdered,
• dense,
• pliable,
• significant,
• marketable,
• continuous,
• expensive,
• complex,
• varied,
• reactive,
• seven,
• nonmetallic,
• unusual,
• consumable,
• exotic,
• effective,
• individual,
• prestigious,
• old,
• sensitive,
• actual,
• weaker,
• sintered,
• particular,
• woven,
• polycrystalline,
• several,
• colloidal,
• shiny,
• polished,
• characteristic,
• vital,
• tubular,
• utilitarian,
• cationic,
• transparent,
• massive,
• radioactive,
• lightweight,
• mobile,
• separate,
• safe,
• refractory,
• glassy,
• silvery,
• architectural,
• coloured,
• number,
• familiar,
• advanced,
• opaque,
• seventeen,
• dental,
• cold,
• paramagnetic,
• appropriate,
• conductive,
• solid,
• viscous,
• typical,
• central,
• polyvalent,
• fixed,
• reflective,
• delicate,
• conventional,
• elemental,
• colored,
• functional,
• nonradioactive,
• springy,
• nutritional,
• difficult,
• vulnerable,
• lustrous,
• cheap,
• layer,
• unwanted,
• extraneous,
• electronic,
• practical,
• lighter,
• amalgamative,
• physical,
• harsh,
• real,
• positive,
• moldable,
• specular,
• friendly,
• crustal,
• durable,
• persistent,
• structural,
• fast,
• ferrous,
• inexpensive,
• bulky,
• natural,
• airborne,

Simple categories matching polycrystalline:

• fibre,
• material,
• metal,
• semiconductor,
• rock,
• body,
• solid,
• film,
• substrate,
• particle,
• oxide,
• system,
• silicon,
• structure,
• fiber,