What does amalgam mean?
The definition of amalgam
A*mal”gam, n.
Etym: [F. amalgame, prob. fr. L. malagma, Gr.

1 An alloy of mercury with another metal or metals; as, an amalgam of tin, bismuth, etc.

Note: Medalists apply the term to soft alloys generally.

2 A mixture or compound of different things.
3 (Min.)
A native compound of mercury and silver.

A*mal”gam, v. t.
Etym: [Cf. F. amalgamer]

To amalgamate. Boyle. B. Jonson.