1. abrasive material a substance that abrades or wears down
  2. perseverance the act of persisting
  3. adhesive material a substance that unites or bonds surfaces together
  4. source materials publications from which information is obtained
  5. waste material any materials unused and rejected as worthless or unwanted
  6. piece of material a separate part consisting of fabric
  7. abrasiveness the roughness of a substance that causes abrasions
  8. approximately imprecise but fairly close to correct
  9. radioactive material material that is radioactive
  10. Abruzzi e Molise a mountainous region of central Italy on the Adriatic
  11. waste of material a useless consumption of material
  12. composite material strong lightweight material developed in the laboratory
  13. absorbent material a material having capacity or tendency to absorb another substance
  14. Johannes van der Waals Dutch physicist (1837-1923)
  15. abrasive causing irritation or erosion by friction
  16. raw material material suitable for manufacture or use or finishing
  17. bedding material material used to provide a bed for animals
  18. immaterialise render immaterial or incorporeal
  19. paving material material used to pave an area
  20. immaterial lacking importance; not mattering one way or the other