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bubble - definition and synonyms


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noun [countable] bubble pronunciation in American English /ˈbʌb(ə)l/
Word Forms
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  1. 1
    a ball of air or gas in a liquid
    Gas bubbles in any liquid tend to rise to the surface.
    Heat the milk until bubbles form around the edge of the pan.
    1. a.
      a ball of air or gas in a substance that has become solid
      bubbles of air trapped in ice
      Make sure there are no bubbles of air in the jam.
    2. b.
      a ball made of a thin outer layer of soap or bubble gum
      soap bubbles
      Children love blowing bubbles.



a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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