zero tolerance
         n 1: extreme intolerance of antisocial behavior (usually by an
               uncompromising application of the law); "he urged zero
               tolerance for priests who abuse children sexually"

English Dictionary: Zierteile	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
zero-tolerance policy n any policy that allows no exception; "a zero-tolerance policy toward pedophile priests"
From WordNet (r) 3.0 (2006) [wn]:
zeroth law of thermodynamics n the law that if two bodies are in thermal equilibrium with a third body then the first two bodies are in thermal equilibrium with each other