It's called an infinity sign or a forever charm.

The audience was swaying," he said, "more like an infinity sign, that kind of movement.

So the pin was born: an infinity sign, a symbol for God, with a gemstone in it.

The infinity signs change when dividing by 0 instead.

And the infinity sign may be a trademark of sorts for the Rabbit.

One of those cylinders had the infinity sign drawn on it!

When going down the hole, she feels as if she's falling sideways, and describes it as an infinity sign.

His "Endless Column" would go nowhere if you stuck an infinity sign on top.

Yakow nodded; the white beard brushed the infinity sign on his breast.

The infinity sign in stands for the "prime at infinity".