precision
1. pre.ci.sion \pri-'sizh-*n\ \-'sizh-(*-)n*st\ n : the quality or state of being precise : EXACTNESS; specif : the degree of refinement with which an operation is performed or a measurement stated - pre.ci.sion.ist n 2. precision aj 1: adapted for extremely accurate measurement or operation 2: held to low tolerance in manufacture 3: marked by precision of execution