The Collaborative International Dictionary of English v.0.48:
Stringency \Strin"gen*cy\ (str[i^]n"jen*s[y^]), n. The quality or state of being stringent. [1913 Webster]WordNet (r) 3.0 (2006):
stringency n 1: a state occasioned by scarcity of money and a shortage of credit [syn: stringency, tightness] 2: conscientious attention to rules and details [syn: strictness, stringency]