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 ?
Outdated methods to correct dental problems such as silver amalgam fillings (which contain mercury) are a thing of the past, and patients at West Hills Smiles are routinely given fillings which perfectly match the shade of their teeth.
It is perhaps surprising to some to realise that the dental profession has been using silver amalgam for over 250 years, since the days of Pierre Fauchard.
More dental offices are offering white composite fillings as an option to silver amalgam when teeth in the back of the mouth need to be repaired," said Richard Klich, DMD, United Concordia Dental's national dental director.