. | a. a dense inert bright yellow element that is the most malleableand ductile metal, occurring in rocks and alluvial deposits: used asa monetary standard and in jewellery, dentistry, and plating. Theradioisotope gold-198 ( radiogold ), with a half-life of 2.69 days,is used in radiotherapy. Symbol: Au; atomic no: 79; atomic wt:196.96654; valency: 1 or 3; relative density: 19.3; melting pt:1064.43°C; boiling pt: 2857°CRelated: aurous , auric |
b. ( as modifier ): a gold mine | |
2. | a coin or coins made of this metal |
3. | money; wealth |
4. | something precious, beautiful, etc, such as a noble nature (esp inthe phrase heart of gold ) |
5. | a. a deep yellow colour, sometimes with a brownish tinge |
b. ( as adjective ): a gold carpet | |
6. | archery the bull's eye of a target, scoring nine points |
7. | short for gold medal |
Related: aurous , auric | |
[Old English gold; related to Old Norse gull, Gothic gulth, Old HighGerman gold ] |
Friday, August 30, 2013
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