a hollow globule of gas (e.g., air or carbon dioxide)
a kind of ink-jet printer
form, produce, or emit bubbles
cause to form bubbles
expel gas from the stomach
rise in bubbles or as if in bubbles
flow in an irregular current with a bubbling noise
an impracticable and illusory idea
a dome-shaped covering made of transparent glass or plastic
a speculative scheme that depends on unstable factors that the planner cannot control
