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'.

Definition of macro- in:

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Word of the day guzzle
Pronunciation: ˈgəzəl
verb
eat or drink (something) greedily