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Dictionary definition for: Bubble

1. (n) a hollow globule of gas (e.g., air or carbon dioxide)

2. (v) form, produce, or emit bubbles; "The soup was bubbling"

3. (n) a speculative scheme that depends on unstable factors that the planner cannot control; "his proposal was nothing but a house of cards" "a real estate bubble"

4. (v) flow in an irregular current with a bubbling noise; "babbling brooks"

5. (n) an impracticable and illusory idea; "he didn''t want to burst the newcomer''s bubble"

6. (v) expel gas from the stomach; "In China it is polite to burp at the table"

7. (n) a dome-shaped covering made of transparent glass or plastic

WordNet 2.1 Copyright Princeton University. All rights reserved.