plasma ball

American  

noun

1. a glass globe containing a low density gas and a central electrode that creates lightning-like streams of light.

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Example Sentences

The plasma ball releases an EMP pulse that can disable electronics within five or 10 meters, but can be deployed with a range of several kilometers from the laser’s source.

From Forbes • Jan. 24, 2013

And after my plasma ball experiment had gone wrong, I didn’t want to push my luck.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

Five...four...three...Just as a third plasma ball ignited, the microwave shut off and the timer countdown vanished, along with the kitchen lights.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

I was still fuzzy on why nuking grapes could cause a plasma ball.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

I’d been shocked to learn that she’d never seen a plasma ball in the microwave, so I wanted to surprise her with my grape experiment—with Mom supervising, of course—before we focused on our science vlog.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas