amalgam

nouns

an alloy of mercury with another metal (usually silver) used by dentists to fill cavities in teeth; except for iron and platinum all metals dissolve in mercury and chemists refer to the resulting mercury mixtures as amalgams
amalgam, dental amalgam
a combination or blend of diverse things
"his theory is an amalgam of earlier ideas"
amalgam
is derived from
amalgamate
is a type of (narrower)
a collection of things that have been combined; an assemblage of separate parts or qualities
combination