expeller

noun
ex·​pel·​ler | \ ikˈspelə(r), ek-\
plural expellers

Definition of expeller

: 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 Krupa, Detroit News, 4 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 Lovaas, Seattle Times, 10 June 2013 often used in combination expeller-pressed canola oil

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