Search Result for "dynamic balance":
Wordnet 3.0

NOUN (1)

1. (aeronautics) the state of equilibrium in which centrifugal forces due to a rotating mass (e.g., a propeller) do not produce force in the shaft and so vibration is reduced; 



WordNet (r) 3.0 (2006):

dynamic balance
    n 1: (aeronautics) the state of equilibrium in which centrifugal
         forces due to a rotating mass (e.g., a propeller) do not
         produce force in the shaft and so vibration is reduced