Definition: a hollow globule of gas (e.g., air or carbon dioxide)
Definition: 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"
Definition: an impracticable and illusory idea; "he didn't want to burst the newcomer's bubble"
Definition: a dome-shaped covering made of transparent glass or plastic
Definition: A spherically contained volume of air or other gas, especially one made from soapy liquid.
Definition: form, produce, or emit bubbles; "The soup was bubbling"
Definition: flow in an irregular current with a bubbling noise; "babbling brooks"
Definition: rise in bubbles or as if in bubbles; "bubble to the surface"
Definition: cause to form bubbles; "bubble gas through a liquid"
Definition: To produce bubbles, to rise up in bubbles (such as in foods cooking or liquids boiling).