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agate

Line breaks: agate
Pronunciation: /ˈaɡət
 
/

Definition of agate in English:

noun

[mass noun]
1An ornamental stone consisting of a hard variety of chalcedony (quartz), typically banded in appearance.
Example sentences
  • Silica precipitated from aqueous solution at low temperatures gives cryptocrystalline varieties such as opal, jasper, chalcedony, agate, carnelian, onyx, flint, and chert.
  • Slowest-forming and most beautiful of all, huge crystals of amethyst, agate, chalcedony and rock crystal grow where condensed water has managed to seep into naturally insulated rock crevices.
  • My necklaces are made mainly of semiprecious stones, such as agate, quartz, amber, rock crystal and jade.
1.1 [count noun] A coloured toy marble resembling a banded gemstone.
Example sentences
  • You have to be on your mettle to snag them agates (especially with some monster thug trying to put a lump on the back of your noggin).
  • Agates, the gold standard of marbles (called aggies), came in a rainbow of subtle colors with overlaying colored patterns that made them look like beautiful, semi-precious stones.
  • I do remember we played for keepsies and I won a nice collection of clearies, cat-eyes (the purple/green combos were my favorites), a few highly prized speckled eggs, aggies (agates), alleys (alabaster/marble), steelies, and even a few boulders.

Origin

late 15th century: from French, via Latin from Greek akhatēs.

Definition of agate in:

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