It is an inflection of engaging or engaging. It means place in a flask. It also means get inserted, mingle, meddle, nutritionists are, abstracted, concentrate.
homogeneity is incorrectly written and it should be written as engaging as its meaning: The main meaning is to engage with effort and dedication to an activity.
homogeneity is incorrectly written and it should be written as "Engaging." being its meaning: Put anything inside a jar.