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tr.v. ex·pelled, ex·pel·ling, ex·pels
1. To force or drive out: expel an invader.
2. To discharge from or as if from a receptacle: expelled a sigh of relief.
3. To deprive of membership or rights in an organization; force to leave: expelled the student from college for cheating.

[Middle English expellen, from Latin expellere : ex-, ex- + pellere, to drive; see pel- in Indo-European roots.]

ex·pel′la·ble adj.
ex·pel′ler n.
References in periodicals archive ?
Harvest Innovations uses expeller pressing to turn grains, legumes and oilseeds into minimally-processed, non-GMO, organic, gluten-free ingredients.
"The Kalsec[R] technology is quite sophisticated, but the concept of expeller pressing dates back to early times," said Kalsec[R] Chief Executive, George Todd.
"Expeller pressing is a chemical-free, mechanical process that extracts oil from seeds and nuts.
They also discussed cooperation for drawing the water of the Tigris River and processing the wastes of expeller pressing in Afrin which pour into the Orontes River, underlining the importance of establishing the Friendship Dam.