Definition of macro- in English:


Pronunciation: /ˈmakrəʊ/

combining form

  • 1Large; large-scale: macromolecule
  • 1.1(Used in medical terms) large compared with the norm: macrocephaly
  • 2Long; over a long period: macroevolution


from Greek makros 'long, large'.

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Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space