WordReference Random House Unabridged Dictionary of American English © 2025
mac•ro•fos•sil
(mak′rə fos′il),USA pronunciation n.
- Paleontologya fossil large enough to be studied and identified without the use of a microscope. Cf. microfossil.
- macro- + fossil 1935–40
'macrofossil' also found in these entries (note: many are not synonyms or translations):