Does this mean the water is actually boiling on the inside, or could it be something else?

"Think she'd go out leave something boiling on the stove?"

I could also see the ocean boiling on the rocks just beyond it.

This pot's been boiling on the stove for a long time.

Does it really pay to boil water for pasta on the grill?

And it's so hot, water is like boiling on the ground.

It felt warm, and he realized that one could boil water on the outside aluminum skin.

We could have boiled them in their shells back on Rodeo at the very least.

Seeds and roots can also be boiled on a stove.

She brought more water up, feeling the pain of the handle against her wounds, boiling it on the billy.