from The American Heritage® Dictionary of the English Language, 4th Edition
- Large: macronucleus.
- Long: macrobiotics.
- Inclusive: macroinstruction.
from Wiktionary, Creative Commons Attribution/Share-Alike License
from the GNU version of the Collaborative International Dictionary of English
- A combining form signifying long, large, great.
Greek makro-, from makros, large; see māk- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French, from Latin, from Ancient Greek μακρός (makros, "long"). (Wiktionary)