Nouns

(n)equilibriuma stable situation in which forces cancel one another
(n)chemical equilibrium, equilibriuma chemical reaction and its reverse proceed at equal rates
(n)balance, equilibrium, equipoise, counterbalanceequality of distribution
(n)equilibrium, labyrinthine sense, vestibular sense, sense of balance, sense of equilibriuma sensory system located in structures of the inner ear that registers the orientation of the head