- (n.) To rise in bubbles, as liquids when boiling or agitated; to contain bubbles.
- (n.) A globule of air or globular vacuum, in a transparent solid; as, bubbles in window glass or in a lens.
- (n.) To sing with a gurgling or warbling sound.
- (n.) A small, hollow, floating bead or globe, formerly used for testing the strength of spirits.
- (n.) A person deceived by an empty project; a gull.
- (n.) The globule of air in the spirit tube of a level.
- (n.) To run with a gurgling noise, as if forming bubbles; as, a bubbling stream.
- (n.) Anything that wants firmness or solidity; that which is more specious than real; a false show; a cheat or fraud; a delusive scheme; an empty project; a dishonest speculation; as, the South Sea bubble.
- (n.) A small quantity of air or gas within a liquid body; as, bubbles rising in champagne or aerated waters.
- (n.) A thin film of liquid inflated with air or gas; as, a soap bubble; bubbles on the surface of a river.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). bubble. Retrieved September 22, 2026, from http://smartdefine.org/bubble/definitions/1982870 |
| Chicago | Webster's. 2011. "bubble" http://smartdefine.org/bubble/definitions/1982870 (accessed September 22, 2026). |
| Harvard | Webster's 2011, bubble, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/bubble/definitions/1982870>. |
| MLA | Webster's. "bubble" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/bubble/definitions/1982870> |