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1. A narrowing that reduces the flow through a channel
   - bottleneck, chokepoint
    
2. Tight or narrow compression
   - coarctation
    
3. A tight feeling in some part of the body
   "he felt a constriction in her chest"; "emotion caused a constriction of his throat";
   - tightness
    
4. The action or process of compressing

Derived forms: constrictions

Type of: compressing, compression, condensation, contraction, feeling, narrowing

Encyclopedia: Constriction