From WordNet (r) 3.0 (2006) :
pulverise
v 1: destroy completely; "the wrecking ball demolished the
building"; "demolish your enemies"; "pulverize the
rebellion before it gets out of hand" [syn: demolish,
pulverize, pulverise]
2: become powder or dust; "When it was blown up, the building
powderized" [syn: powderize, pulverize, pulverise,
powderise]
3: make into a powder by breaking up or cause to become dust;
"pulverize the grains" [syn: powderize, powderise,
powder, pulverize, pulverise]