Modifiers matching glass:

• inhomogeneous,
• curved,
• amorphous,
• flat,
• hard,
• antique,
• natural,
• opaque,
• soft,
• fine,
• optical,
• colored,
• expensive,
• decorative,
• coloured,
• inorganic,
• fixed,
• blown,
• durable,
• polished,
• resistant,
• thin,
• harder,
• small,
• prepared,
• under,
• grown,
• narrow,
• pure,
• safe,
• interior,
• plane,
• tall,
• clear,
• functional,
• stained,
• persian,
• cheap,
• hollow,
• working,
• broken,
• fragile,
• nearby,
• beautiful,
• industrial,
• large,
• inexpensive,
• architectural,
• cold,
• typical,
• melting,
• transparent,
• ornamental,
• artificial,
• textured,
• black,
• dimensional,
• handmade,
• warm,
• special,

Simple categories matching curved:

• reflector,
• surface,
• passage,
• object,
• work,
• shape,
• bone,
• part,
• wall,
• plate,
• structure,
• form,
• substrate,
• body,
• end,
• scene,
• area,
• figure,
• glass,
• frame,
• item,
• feature,
• construction,
• entity,
• portion,
• image,
• space,
• piece,
• face,
• side,
• line,
• hull,
• region,
• passageway,
• solid,
• shock,
• boundary,
• pattern,
• fruit,
• bottom,
• element,
• manner,
• opening,
• section,
• article,
• electrode,
• vessel,
• outline,
• elements,