The Collaborative International Dictionary of English v.0.48:
meticulosity \meticulosity\ n. strict attention to minute details; the quality of being meticulous. Syn: meticulousness, punctiliousness, scrupulousness. [WordNet 1.5]WordNet (r) 3.0 (2006):
meticulosity n 1: strict attention to minute details [syn: meticulousness, meticulosity, punctiliousness, scrupulousness]