Third-person singular simple present indicative form of bubble.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "bubbles" in a sentence
"Her expression bubbles and solidifies like metamorphic rock, a harshness pinching the edges of her lips and eyes, making her neck wrinkles oscillate."
"A little fountain bubbles from a stone bowl where no fountain had been before, but I drink the water of Cholula and it is sweet."
"They'll start with what he calls bubbles -- actually, that's a nicer term than "hotzones," which sounds like an unpleasant bodily sensation -- and hope to link those together."