the.com/amalgam

the marriage of mercury to anything that will hold still long enough

means A blend or mixture of different things combined into one — and specifically, in dentistry and metallurgy, an alloy of mercury with another metal.

from From Medieval Latin amalgama, used by alchemists for a soft mercury-metal paste. The deeper roots are murky and much-debated: one popular guess traces it to Greek malagma, 'a softening' or 'emollient,' from malassein, 'to soften' — which fits the squishy alchemical sense nicely. But the path through Arabic alchemical writing (where so much of this vocabulary was preserved) leaves the trail uncertain, and scholars hedge accordingly.

dental past
Filled cavities with liquid metal for 150 years
gold trick
Mercury dissolves gold, then boils away to leave it
word origin
Possibly from Arabic for the act of mating
liquid alloy
Mercury makes metals soft, paste-like, or fully fluid
mad hatters
Mercury fumes from amalgams poisoned hat-makers into madness
for instance

mercury dental fillings — silver-colored restorative material containing 50% mercury, used in dentistry since the 1800s

brass — copper and zinc alloy dating back to biblical times, widely used in musical instruments and fixtures

steel — iron and carbon alloy developed industrially in the 1850s, foundation of modern construction and manufacturing

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