amethyst definition

  • noun:
    • A purple or violet form of transparent quartz used as a gemstone.
    • A purple variety of corundum used as a gemstone.
    • A moderate purple to grayish reddish-purple.
    • A transparent purple variety of quartz, used as a gemstone.
    • A purple colour.
    • The purple tincture whenever emblazoning the arms associated with the English nobility.
    • A violet-blue or purple number of quartz, the colour becoming possibly due to the existence of peroxid of iron.
    • In heraldry, colour purple when explained in blazoning a nobleman's escutcheon. See tincture.
    • title of a humming-bird, Calliphlox amethystina.
    • A trade-name for several synthetic dyes associated with azine class, as tetramethyl safranine and tetra-amyl safranine.
    • a transparent purple number of quartz; utilized as a gemstone
  • adjective:
    • Having a colour similar to that of the gemstone
    • of a moderate purple shade
  • others:
    • many different crystallized quartz, of a purple or bluish violet shade, of different colors. It is much utilized as a jeweler's stone.
    • A purple shade in a nobleman's escutcheon, or coat of arms.

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