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grumble - definition and synonyms

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noun grumble pronunciation in British English /ˈɡrʌmb(ə)l/
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singulargrumble
pluralgrumbles
  1. 1
    [countable] a minor complaint about something
    My only grumble is that the system is a bit slow.
  2. 2
    [uncountable] a low continuous sound
    the grumble of water pipes

nanodegree

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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hypocaust

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

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