platinum

3 definitions • 2 examples

a chemical element that is an extremely valuable silver-coloured metal, used in jewellery and in industry:

a platinum wedding ring

a valuable metal that is silver in color, does not react easily with other elements, and is used in jewelry and in industry

a very valuable silver-grey metal that is used in industry and often traded on the commodity market:

Platinum rose to $1,293.50 an ounce after hitting a record $1,298.50 during the day's trading.