In dentistry, relating to the enamel of the teeth. Adamantine comes from the Greek and Latin word adamas which applied to substances having the hardness or luster of a diamond. Adamantine figuratively means unyielding and inflexible.

c. 1200, from Latin adamantinus "hard as steel, inflexible," from Greek adamantinos, from adamas (see adamant (n.)).

Describes the luster of transparent minerals that are very brilliant with a bright shine.

1. Made of or resembling adamant. 2. Having the hardness or luster of a diamond. 3. Unyielding; inflexible.

(adj) consisting of or having the hardness of adamant(adj) having the hardness of a diamond(adj) impervious to pleas, persuasion, requests, reason

Having a luster like that of a diamond

A brilliant luster like that of a diamond.

A brilliant luster with high reflectivity. Adamantine luster is extremely shiny. Hard minerals and lead bearing minerals typically have adamantine luster.

Transparent minerals with a very high luster are said to have an adamantine luster. (Translucent to nearly opaque minerals with a very high luster are said to have a submetallic luster).

The term adamantine is used to describe any gemstone that has diamond-like luster. Only a few gems exhibit such exceptional light reflectance: cerrusite, sphalerite, and demantoid are three examples.

Having a bright luster similar to that of diamond.

The highest classification of surface lustre or reflectivity which may be shown by a gemstone e.g. in faceted diamond.

1. Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated; as, adamantine bonds or chains. 2. <chemical> Like the diamond in hardness or luster. Origin: L. Adamantinus, Gr. (01 Mar 1998)

Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated; as, adamantine bonds or chains. * '''1667''', , '''', Book I: *: Him the Almighty Power * [..]