nosocomial

from WordNet (r) 3.0 (2006)

nosocomial
    adj 1: taking place or originating in a hospital; "nosocomial
           infection"

from The Collaborative International Dictionary of English v.0.48

Nosocomial \Nos`o*co"mi*al\ (n[o^]s`[-o]*k[=o]"m[i^]*al), a. [L.
   nosocomium a hospital, Gr. nosokomei^on; no`sos disease +
   komei^n to attend to.]
   1. Of or pertaining to a hospital; as, nosocomial atmosphere.
      --Dunglison.
      [1913 Webster]

   2. Acquired in a hospital; as, a nosocomial infection.
      [PJC]