The Collaborative International Dictionary of English v.0.48:

Disseminate \Dis*sem"i*nate\, v. t. & i. [imp. & p. p.
   Disseminated; p. pr. & vb. n. Disseminating.] [L.
   disseminatus, p. p. of disseminare to disseminate; dis- +
   seminare to sow, semen seed. See Seminary.]
   1. to spread around widely; to sow broadcast or as seed; to
      scatter for growth and propagation, like seed; to spread
      abroad; to diffuse; as, principles, ideas, opinions, and
      errors are disseminated when they are spread abroad for
      propagation.
      [1913 Webster]

   2. To spread or extend by dispersion.
      [1913 Webster]

            A nearly uniform and constant fire or heat
            disseminated throughout the body of the earth.
                                                  --Woodward.

   Syn: To spread; diffuse; propagate; circulate; disperse;
        scatter.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

disseminated \dis*sem"i*na`ted\, p. a. (Min.)
   Occurring in small portions scattered through some other
   substance; scattered widely.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

38 Moby Thesaurus words for "disseminated":
   accessible, affirmed, announced, broadcast, brought to notice,
   circulated, common knowledge, common property, current, declared,
   diffuse, diffused, discrete, dispersed, dispread, dissipated,
   distributed, in circulation, in print, made public, open,
   proclaimed, propagated, public, published, reported, scattered,
   sparse, sporadic, spread, stated, straggling, straggly, strewn,
   strown, telecast, televised, widespread