Adamant

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Adamant and similar words are used to refer to any especially hard substance, whether composed of diamond, some other gemstone, or some type of metal. Both adamant and diamond derive from the Greek word αδαμας (adamas), meaning "untameable". The word adamant is comparable to the word brimstone, an archaic word for sulphur.

Since diamond is now used exclusively for the hardest gemstone, the increasingly archaic adamant–and its adjectival form adamantine–has a mostly poetic or figurative use. For instance, in mediæval mythology, "adamant" was a hypothetical impenetrably hard mineral, and a similar use is often seen in fantasy fiction. Adamantium and adamantite are also common variants.

Adamant as an adjective means resistant to reason, determined or inflexible.

Examples of use

See also

gl:Adamante nl:Adamant sv:Adamant