Webster's Revised Unabridged Dictionary · 1913

Amalgamation

Amalgamation ({not transcribed}) , noun

[Compare French 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