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[sahrd] /sɑrd/
a reddish-brown chalcedony, used as a gem.
Also, sardius, sardine.
1350-1400; Middle English < Latin sarda < Greek sárdios sardius Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for sard
  • sard believes that the solutions should subtract the area of the silo.
  • sard said they have presented their full case today.
  • Similar to carnelian is sard, which is brown rather than red.
British Dictionary definitions for sard


an orange, red, or brown variety of chalcedony, used as a gemstone. Formula: SiO2 Also called sardine
Word Origin
C14: from Latin sarda, from Greek sardios stone from Sardis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for sard

translucent, light- to dark-brown varieties of the silica mineral chalcedony, historically two of the most widely used semiprecious stones. Sard and its close relative carnelian have been used in engraved jewelry for centuries. Sard (from Sardis, the ancient capital of Lydia) was originally called sardion, which included both sard and carnelian until the Middle Ages. Except for crystal, it is the oldest known name for a silica mineral. One locality famous as a source of sard is Ratnapura, Sri Lanka. Bands of sard and white chalcedony are called sardonyx, which at one time was more precious than gold, silver, or sapphire. Sardonyx is widely used in cameos and intaglios. Its properties are those of quartz (see silicate mineral [table]).

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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