minutia

from WordNet (r) 3.0 (2006)

minutia
    n 1: a small or minor detail; "he had memorized the many
         minutiae of the legal code"

from The Collaborative International Dictionary of English v.0.48

Minutia \Mi*nu"ti*a\, n.; pl. {Minutiae} (-[=e]). [L., fr.
   minutus small, minute. See 4th {Minute}.]
   A minute particular; a small or minor detail; -- used chiefly
   in the plural.
   [1913 Webster]