The Collaborative International Dictionary of English v.0.48:

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.
      [1913 Webster]

   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.
      [1913 Webster]

            Ingratitude is indeed their four cardinal virtues
            compacted and amalgamated into one.   --Burke.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Amalgamate \A*mal"ga*mate\, Amalgamated \A*mal"ga*ma`ted\, a.
   Coalesced; united; combined.
   [1913 Webster]

WordNet (r) 3.0 (2006):

amalgamated
    adj 1: joined together into a whole; "United Industries"; "the
           amalgamated colleges constituted a university"; "a
           consolidated school" [syn: amalgamate, amalgamated,
           coalesced, consolidated, fused]