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1. A stable situation in which forces cancel one another
    
2. A chemical reaction and its reverse proceed at equal rates
   - chemical equilibrium
    
3. Equality of distribution
   - balance, equipoise, counterbalance
    
4. A sensory system located in structures of the inner ear that registers the orientation of the head
   - labyrinthine sense, vestibular sense, sense of balance, sense of equilibrium

Derived forms: equilibria, equilibriums

Type of: chemical reaction, construction, proprioception, reaction, situation, state of affairs, structure

Antonym: disequilibrium

Encyclopedia: Equilibrium