amalgam : Idioms & Phrases
dental amalgam
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noun 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.
WordNet
Gold amalgam
- a mineral, found in Columbia and California, composed of gold and mercury.
Webster 1913
Sodium amalgam
- an alloy of sodium and mercury, usually produced as a gray metallic crystalline substance, which is used as a reducing agent, and otherwise.