move upwards in bubbles, as from the effect of heating; also used metaphorically
a hollow globule of gas (e.g., air or carbon dioxide)
form, produce, or emit bubbles
cause to form bubbles
expel gas from the stomach
flow in an irregular current with a bubbling noise
spatially or metaphorically from a lower to a higher position
being or moving higher in position or greater in some value; being above a former position or level
raise
getting higher or more vigorous
