expeller

plural expellers

1. Someone or something that expels.

   The latter, for example, are overheard dismissing the former as mere “quantoids”—as if quantitative methods turn those who deploy them into machinelike expellers of numeric waste.

   2015, Immanuel Wallerstein, Carlos Aguirre Rojas, Charles C. Lemert, Uncertain Worlds: World-systems Analysis in Changing Times

   1. A machine that removes most of the oil from oilseeds to form oil cake.