Modifiers matching nitride:

• pure,
• metal,
• conductive,
• refractory,
• exotic,
• piezoelectric,
• ceramic,
• binary,
• covalent,
• stable,

Simple categories matching refractory:

• fraction,
• metal,
• element,
• material,
• coating,
• substrate,
• item,
• cement,
• filling,
• mineral,
• compound,
• alloy,
• oxide,
• property,
• phosphate,
• complex,
• substance,
• component,
• carbide,
• clay,
• conductor,
• shield,
• rock,
• system,
• elements,
• membrane,
• nonmetal,
• vessel,
• article,
• solid,
• fabric,
• constituent,
• ore,
• macromolecule,
• aggregate,
• matter,
• grain,
• brick,
• part,
• shape,
• medium,
• fiber,
• earth,
• molecule,
• lining,
• powder,
• body,
• wire,
• nitride,
• carrier,
• contaminant,
• fibre,
• surface,
• product,
• silicide,
• filler,
• residue,
• particle,