Source : Webster's Revised Unabridged Dictionary (1913)

Amalgamate \A*mal"ga*mate\, v. t. [imp. & p. p. {Amalgamated};
   p. pr. & vb. n. {Amalgamating}.]
   1. To compound or mix, as quicksilver, with another metal; to
      unite, combine, or alloy with mercury.

   2. To mix, so as to make a uniform compound; to unite or
      combine; as, to amalgamate two races; to amalgamate one
      race with another.

            Ingratitude is indeed their four cardinal virtues
            compacted and amalgamated into one.   --Burke.

Amalgamate \A*mal"ga*mate\, Amalgamated \A*mal"ga*ma`ted\, a.
   Coalesced; united; combined.

Source : WordNet®

amalgamated
     adj 1: joined together into a whole; "United Industries"; "the
            amalgamated colleges constituted a university"; "a
            consolidated school" [syn: {amalgamate}, {coalesced},
            {consolidated}, {fused}]
     2: caused to combine or unite [syn: {intermingled}, {mixed}, {integrated}]