Breadcrumb Home > Thesaurus > B Synonyms of blastocyst Find synonyms for: Noun 1. blastocyst, blastodermic vessicle, blastula, blastosphere usage: the blastula of a placental mammal in which some differentiation of cells has occurred WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of blastocyst (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hard Labor Current Events This Week: June 2023 Languages Spoken in Each Country of the World User's Guide to Environmental Language The Washington Monument: Facts, History & Profile LGBT Pride Month | Biographies of Notable Individuals Civilian Labor Force ✖ Related Content Daily Word Quiz: visceral Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language