Simple categories matching noncrystalline:

• solid,
• film,
• substance,
• material,
• resin,
• substrate,
• structure,
• polymer,
• semiconductor,
• phase,
• system,
• form,
• compound,
• matter,

Members with property noncrystalline:

• polycrystalline_semiconductor,
• fiber,
• liquid,
• fatty_acid,
• glasses,
• biological_material,
• polymer_sheet,
• unstressed_glass,
• polymer,
• pitch,
• protein,
• amorphous_material,
• interface,
• colloidal_gel,
• polycrystalline_material,
• wax,
• catalyst_precursor,
• atactic_polymer,
• metallic_glasses,
• certain_polymer,
• obsidian,
• silicon_nitride,
• amorphous_si,
• amber,
• opal,
• membrane_protein,
• nitride,
• wood,
• gel,
• amorphous_semiconductor,
• polyethylene_oxide,
• plastic,
• metal,
• oxide,
• glass,
• rubber,
• silicon-dioxide_film,
• disordered_insulator,
• charcoal,
• rubbery_substance,
• amorphous_solid,
• protein_aggregate,
• solution,
• catalyst,
• disordered_metal,
• polystyrene,
• dielectric,
• quartz_substrate,
• fat,
• bone,