bubble Definition

bubble
noun

1. A thin film of liquid forming a hollow sphere filled with air or gas, especially one which floats in liquid.

Thesaurus: blister, bead, drop, globule, droplet; foam, froth, fizz, head, lather, suds, spume.
2. A ball of air or gas which has formed in a solid or liquid.
3. A dome made of clear plastic or glass.
4. An unrealistic or over-ambitious plan or scheme.
5. A sound of or like bubbling liquid.
6. computing.
See under bubble memory.

verb, intr bubbled, bubbling

1. To form or give off bubbles, or to rise in bubbles.

Thesaurus: boil, foam, seethe.
2. To make the sound of bubbling liquid.

Example: water bubbling away in the pan
Thesaurus: burble, gurgle, murmur.
Form: bubble away (often)

Etymology: 14c as bobel.

Phrasal Verb: bubble over

To boil over.To be full of or bursting with (happiness, excitement, enthusiasm, good ideas, etc).