platinum disc

British  

noun

1. 1. (in Britain) an album certified to have sold 300 000 copies or a single certified to have sold 600 000 copies

   2. (in the US) an album or single certified to have sold one million copies Compare gold disc silver disc

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Example Sentences

In the albums market, none of the year's new releases were popular enough to be awarded a platinum disc, representing 300,000 sales.

From BBC

Only one British album released since the start of 2020, Dua Lipa's Future Nostalgia, has sold the 300,000 copies required to be awarded a platinum disc.

From BBC

They sold more than 35 million albums and were awarded the world's first ever platinum disc for their LP Wheels of Fire.

From BBC

Freya Ridings' single Lost Without You won a platinum disc last summer after soundtracking a pivotal moment in the villa.

From BBC

What I think is a platinum disc turns out to be a 22-times platinum disc: “To commemorate the sale of more than 22 million copies of the album The Wall.”

From The Guardian