chemostat

che mo stat |ˈkēmōˌstat, ˈkemō -ˈkimoʊstæt | ▶noun a system in which the chemical composition is kept at a controlled level, esp. for the culture of microorganisms.

chemostat

chemostat |ˈkiːmə (ʊ )stat, ˌkɛm -| ▶noun a system in which the chemical composition is kept at a controlled level, especially for the culture of microorganisms.