|merə|blastik adjective
Etymology: International Scientific Vocabulary mer- (III) + -blastic
of an egg : undergoing incomplete cleavage as a result of the presence of an impeding mass of yolk material : lacking cleavage planes that divide the whole egg into distinct and separate blastomeres — opposed to holoblastic
• mero·blas·ti·cal·ly -tə̇k(ə)lē adverb