amalgam
US /əˈmæl.ɡəm/
UK /əˈmæl.ɡəm/

1.
a mixture or blend
:
•
The band's music is an amalgam of jazz, funk, and rock.
•
The new policy is an amalgam of several different proposals.
2.
an alloy of mercury with another metal, especially one used for dental fillings
:
•
The dentist used an amalgam filling for the cavity.
•
Concerns have been raised about the safety of dental amalgam.