Home › Words › O › oligosphereoligosphereoligosphere means A homotypic aggregate of oligodendrocyte progenitors.Among words judged in Lexicurio's Arena, oligosphere ranks #40,944 of 42,752 for Qualifying.EtymologyFrom oligo- + -sphere.nounA homotypic aggregate of oligodendrocyte progenitorsDefinitions & examples from Wiktionary (CC BY-SA 3.0).