1. The act of expelling, projecting or ejecting
   "The machine's expulsion of the finished product completed the manufacturing process";
   - projection, ejection, forcing out
    
2. The act of forcing out someone or something
   "the child's expulsion from school";
   - ejection, exclusion, riddance
    
3. Squeezing out by applying pressure
   "the expulsion of pus from the pimple";
   - extrusion

Derived forms: expulsions

Type of: actuation, banishment, propulsion, proscription, squeeze, squeezing

Encyclopedia: Expulsion