comminutor

plural comminutors

1. engineeringA type of machine that grinds up solid materials, especially in waste treatment

   First, underground pipes carry used water away from the hotels and offices and into a king-size garbage grinder (comminutor), two parallel screws whose threads are knife blades big enough and strong enough to mince any solids into tiny pieces.

   1988 February 12, Harold Henderson, “A Better Glass of Water”, in Chicago Reader, archived from the original on 05 Mar 2016