pulverize

v. (also -ise) (-zing or -sing) 1 reduce or crumble to fine particles or dust. 2 colloq. Demolish, defeat utterly.  pulverization n. [latin pulvis -ver- dust]

v. t. To reduce of fine powder or dust, as by beating, grinding, or the like; as, friable substances may be pulverized by grinding or beating, but to pulverize malleable bodies other methods must be pursued.