Modifiers matching elastomer:

• semirigid,
• crystalline,
• model,
• thermoplastic,
• soft,
• synthetic,
• thermoset,
• hard,
• compatible,
• important,
• polar,
• sensitive,
• conventional,
• rubberlike,
• unvulcanized,
• polymeric,
• viscous,
• nonpolar,
• liquid,
• natural,
• good,
• base,
• common,
• medical,
• traditional,
• incompressible,
• flexible,
• organic,
• cellular,
• rubbery,
• transparent,
• modern,
• new,
• hydrophobic,

Simple categories matching nonpolar:

• solvent,
• protein,
• component,
• gas,
• fluid,
• material,
• elastomer,
• constituent,
• contaminant,
• plastic,
• system,
• metabolite,
• polymer,
• substance,
• chemical,
• oil,
• group,
• solute,
• semiconductor,
• lipid,
• surface,
• compound,
• hydrocarbon,
• wax,
• contamination,
• medium,
• stream,
• portion,
• molecule,
• resin,
• substrate,
• atom,
• soil,
• liquid,
• impurity,
• drug,
• lubricant,
• fuel,
• monomer,
• residue,