Definition of micro- in English:


Syllabification: micro-

combining form

  • 1Small: microcar
  • 1.1Of reduced or restricted size: microdot microprocessor
  • 2(Used commonly in units of measurement) denoting a factor of one millionth (10−6): microfarad


from Greek mikros 'small'.

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Pronunciation: ˈmeɪlstrəm
a powerful whirlpool in the sea