Platinum/ˈplætɪnəm/ Definition 1 of 3Pro Tip 1/3High Value Platinum is often associated with high quality and cost, especially in jewelry. He saved up to buy a platinum necklace for their anniversary. Pro Tip 2/3Status Symbol Owning platinum items can be seen as a symbol of wealth and status. Her platinum watch was the envy of her friends. Pro Tip 3/3Rare Collection Platinum is often used in exclusive collections, emphasizing rarity. The museum featured a platinum exhibit of rare artifacts.