amalgam: Meaning and Definition of

a•mal•gam

1. an alloy of mercury with another metal or metals.
2. an alloy that consists chiefly of silver mixed with mercury and variable amounts of other metals and is used as a dental filling.
3. a rare mineral, an alloy of silver and mercury, occurring as silver-white crystals or grains.
4. a mixture or combination: His character is a strange amalgam of contradictory traits.