Definition of macro- in English:

macro-

Syllabification: macro-

combining form

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

Origin

from Greek makros 'long, large'.

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Pronunciation: ˈmeɪlstrəm
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a powerful whirlpool in the sea