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gold a precious yellow metal chemical element that has seventy-nine protons in each nucleus, that occurs in pure form as a very dense, lustrous, highly malleable solid, and that is often mixed with other metals to make it harder and stronger. (symbol: Au) [1/11 definitions]
up-to-date following or keeping up with the most current fashions, ideas, techniques, or the like; au courant; trendy. [1/2 definitions]