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Definition of macro- in English:

macro-

  • 1Large; large-scale.

    ‘macromolecule’
    1. 1.1(used in medical terms) large compared with the norm.
      ‘macrocephaly’

  • 2Long; over a long period.

    ‘macroevolution’

Origin

From Greek makros ‘long, large’.

Pronunciation

macro-

/ˈmakrəʊ/