expeller

noun ex·pel·ler \ ikˈspelə(r) , ek- \

Definition of expeller

plural expellers
: one that expels someone or something
  • They point to the abject failure to reform immigration policy and say that … America has become what it never has been—an expeller of huddled masses.
  • —Gregg KrupaDetroit News4 Dec. 2008
; especially : a screw press for expressing vegetable oil from soybeans or other seeds
  • In industrial practice, after the oil is removed using mechanical means by an expeller, you have a mash that's left over.
  • —Jimmy LovaasSeattle Times10 June 2013
often used in combination
  • expeller-pressed canola oil

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