amalgam

Noun
  1. 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 (synset 114740711)
    is a type of: alloy, metal - a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten
    same as: dental amalgam
  2. A combination or blend of diverse things (synset 107980601)
    "his theory is an amalgam of earlier ideas"
    is a type of: combination - a collection of things that have been combined; an assemblage of separate parts or qualities

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