Webster's Writer's Dictionary

AMALGAMATION

A*mal`ga*ma"tion [Cf. F. amalgamation.]

1. The act or operation of compounding mercury with another metal; -- applied particularly to the process of separating gold and silver from their ores by mixing them with mercury. Ure.

2. The mixing or blending of different elements, races, societies, etc.; also, the result of such combination or blending; a homogeneous union. Macaulay.