1. Noun.  The act of making pregnant; fertilization.
  2. Noun.  The fact or process of imbuing or saturating with something; diffusion of some element, idea etc. through a medium or substance.
  3. Noun.  That with which anything is impregnated.
  4. Noun.  (geology) An ore deposit, with indefinite boundaries, consisting of rock impregnated with ore.

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This entry was last updated on RefTopia from its source on 3/20/2012.