Bubble

·noun To sing with a gurgling or warbling sound.

II. Bubble ·noun A person deceived by an empty project; a gull.

III. Bubble ·noun The globule of air in the spirit tube of a level.

IV. Bubble ·noun To run with a gurgling noise, as if forming bubbles; as, a bubbling stream.

V. Bubble ·noun To rise in bubbles, as liquids when boiling or agitated; to contain bubbles.

VI. Bubble ·noun A small, hollow, floating bead or globe, formerly used for testing the strength of spirits.

VII. Bubble ·noun A thin film of liquid inflated with air or gas; as, a soap bubble; bubbles on the surface of a river.

VIII. Bubble ·noun A small quantity of air or gas within a liquid body; as, bubbles rising in champagne or aerated waters.

IX. Bubble ·noun A globule of air, or globular vacuum, in a transparent solid; as, bubbles in window glass, or in a lens.

X. Bubble ·noun 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.