ˈperəˌblast noun
Etymology: International Scientific Vocabulary peri- + -blast
1. : the nucleated cytoplasmic layer surrounding the blastodisc of an egg undergoing discoidal cleavage
2.
a. : cytoplasm
b. : periplasm
• peri·blas·tic | ̷ ̷ ̷ ̷|blastik adjective