Home › Words › M › microchemostatmicrochemostatmicrochemostat means A microscopic chemostat.Among words judged in Lexicurio's Arena, microchemostat ranks #36,618 of 42,749 for Qualifying.EtymologyFrom micro- + chemostat.nounA microscopic chemostatDefinitions & examples from Wiktionary (CC BY-SA 3.0).