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Gold
(gld), Golde, Goolde (gld)} n.(Bot.) An old English name of some yellow flower, -- the marigold (Calendula), according to Dr. Prior, but in Chaucer perhaps the turnsole.
Gold
(gld), n.[AS. gold; akin to D. goud, OS. & G. gold, Icel. gull, Sw. & Dan. guld, Goth. gul, Russ. & OSlav. zlato; prob. akin to E. yellow. 49, 234. See Yellow, and cf. Gild, v. t.]
1. (Chem.) A metallic element, constituting the most precious metal used as a common commercial medium of exchange. It has a characteristic yellow color, is one of the heaviest substances known (specific gravity 19.32), is soft, and very malleable and ductile. It is quite unalterable by heat, moisture, and most corrosive agents, and therefore well suited for its use in coin and jewelry. Symbol Au (Aurum). Atomic weight 196.7.
Native gold contains usually eight to ten per cent of silver, but often much more. As the amount of silver increases, the color becomes whiter and the specific gravity lower. Gold is very widely disseminated, as in the sands of many rivers, but in very small quantity. It usually occurs in quartz veins (gold quartz), in slate and metamorphic rocks, or in sand and alluvial soil, re
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