white gold

1. literally A gold alloy that is white in appearance due to the presence of silver-white metals, such as nickel or platinum. Yellow gold never looks right with my skin tone, so I gravitate toward white gold jewelry instead.

2. slang Cocaine. The notorious drug dealer was caught with over a million dollars' worth of white gold in the trunk of his car.

3. slang By extension, any white substance that is especially valuable. The entire region has become funded by the white gold of the illegal ivory trade. The hunting of truffles is a long, venerated tradition here. My father, my grandfather, and his father before him all spent their lives in pursuit of this white gold.