A military capability sufficiently strong to discourage any would-be aggressor from starting a war because of the fear of retaliation. (Seebalance of terror.)
Main Entry: de·ter·rence Pronunciation: di-'t&r-&n(t)s, -'ter-; -'t&-r&n(t)s, dE- Function: noun : the inhibition of criminalbehavior by fear especially of punishment