How to pronounce “polonium” in English

He drank a cup of tea that was laced with polonium and died in a very horrible matter.

source, something like radium or polonium, which decay over time, so you get this precious material and then you'd have less and less output from it.

And then in particular, her and her husband isolated and identified two new elements, polonium, named after her native Poland, and then radium.

Throughout the story, there's the character of Litvinenko some of you might have heard of, the guy who was polonium poisoned a few years back.