meroblastic
adjective
mer·o·blas·tic ˌmer-ə-ˈbla-stik 
: characterized by incomplete cleavage as a result of the presence of a mass of yolk material compare holoblastic
meroblastically
ˌmer-ə-ˈbla-sti-k(ə-)lē
adverb 
Word History
Etymology
borrowed from French méroblastique, from méro- mero- + -blastique -blastic
First Known Use
1864, in the meaning defined above
Medical Definition
meroblastic
adjective
mero·blas·tic ˌmer-ə-ˈblas-tik
: characterized by or being incomplete cleavage as a result of the presence of an impeding mass of yolk material (as in the eggs of birds) compare holoblastic