What does amalgamate mean?
The definition of 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.

A*mal”ga*mate, v. i.
1 To unite in an amalgam; to blend with another metal, as quicksilver.
2 To coalesce, as a result of growth; to combine into a uniform whole; to blend; as, two organs or parts amalgamate.