Breadcrumb Home > Thesaurus > B Synonyms of blastosphere Find synonyms for: Noun 1. blastula, blastosphere, embryo, conceptus, fertilized egg usage: early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of blastosphere (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: irascible Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language