n.
Any of the cells resulting from the cleavage of a fertilized ovum during early embryonic development.
blastomeric blas'to·mer'ic (-mîr'ĭk, -mĕr'-) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.