Pulverizer

(n.) One who, or that which, pulverizes.

Thesaurus Entries

cheese grater, comminutor, crusher, granulator, grater, grinder, kominuter, levigator, masher, mill, millstone, mortar and pestle, nutmeg grater, pestle, quern, quernstone, rock crusher, roller, shredder, steamroller, triturator