amalgam

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Related to silver amalgam: Gold amalgam

amalgam

(əmăl`gəm), alloyalloy
[O. Fr.,=combine], substance with metallic properties that consists of a metal fused with one or more metals or nonmetals. Alloys may be a homogeneous solid solution, a heterogeneous mixture of tiny crystals, a true chemical compound, or a mixture of these.
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 containing mercurymercury
or quicksilver
[from the Roman god Mercury], metallic chemical element; symbol Hg [Lat. hydrargyrum=liquid silver]; at. no. 80; at. wt. 200.59; m.p. −38.842°C;; b.p. 356.58°C;; sp. gr. 13.55 at 20°C;; valence +1 or +2.
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. The alloy may be liquid or solid, depending on the proportion of mercury, although all naturally occurring amalgams, i.e., those of gold and silver, are solid. Amalgams are widely used. Silver, gold, and copper amalgams are used in dentistry, and tin amalgam is used in making mirrors.

amalgam

[ə′mal·gəm]
(metallurgy)
An alloy of mercury.
(mineralogy)
A silver mercury alloy occurring in nature.

amalgam

1. an alloy of mercury with another metal, esp with silver
2. a rare white metallic mineral that consists of silver and mercury and occurs in deposits of silver and cinnabar
References in periodicals archive ?
If you've had silver amalgam fillings in your teeth, they may have exposed you to mercury leakage over the years.
The presence of silver amalgam indicates the presence of mercury, which can deplete a powerful antioxidant known as superoxide dismutase and other antioxidants.
According to Richard Epstein, a Connecticut-based dentist, "While I believe that the studies disparaging silver amalgam are seriously flawed, the alternatives are effective enough to warrant switching.
The removal of silver amalgam fillings is strongly recommended, but only after proper preparation -- nutritional support, including homeopathic and herbal therapies.