WordReference Random House Unabridged Dictionary of American English © 2026
mac•ro•mere
(mak′rə mēr′),USA pronunciation n. [Embryol.]
- Developmental Biologyone of the large blastomeres that form toward the vegetal pole in embryos undergoing unequal cleavage.
- macro- + -mere 1875–80
'macromere' also found in these entries (note: many are not synonyms or translations):