noun (n)

• a solid substance in the form of tiny loose particles; a solid that has been pulverized(noun.substance)

  Synonym:
  powder, pulverization
  

  source: wordnet30
• the act of grinding to a powder or dust(noun.act)

  Synonym:
  grind, mill, pulverization
  

  source: wordnet30
• annihilation by pulverizing something(noun.act)

  Synonym:
  pulverization
  

  source: wordnet30