ebullition /ˌiːbəˈlɪʃən/ noun2 •The act of boiling.Suddenly, and at the same moment, the ebullition ceased, and the compound changed to a dark purple, which faded again more slowly to a watery green. — 1886 •A sudden emotional outburst.His threats—his severe exclamations were but ebullitions of keen vexation, of agony of mind. — 1807 formsebullitions