The Collaborative International Dictionary of English v.0.48:

bacteriemia \bac*teri*e"mi*a\
   (b[a^]k*t[~e]r*[=e]*[=e]"m[=e]*[.a]) n.
   The presence of bacteria in the blood; same as bacteremia.
   [PJC]

WordNet (r) 3.0 (2006):

bacteriemia
    n 1: transient presence of bacteria (or other microorganisms) in
         the blood [syn: bacteremia, bacteriemia,
         bacteriaemia]