equilibrium

Function: noun
Inflected Form(s): plural -ri·ums or equi·lib·ria /-brE-&/

Etymology: Latin aequilibrium, from aequilibris being in equilibrium,
from aequi- + libra weight, balance

1 a : a state of intellectual or emotional balance :
POISE b : a state of adjustment between opposing or divergent influences 
or
elements

2 : a state of balance between opposing forces or actions that is either 
static (as in a body acted on by forces whose resultant is zero) 
or dynamic (as in a reversible chemical reaction when the rates of 
reaction 
in both directions are equal)

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