ultimatenoun · Level 1 SAT1the last part, or a fundamental elementThe ultimate goal of the research program was a vaccine effective against all known influenza strains.ModuleLevel 1Registeracademic, argument, commonCollectionCollection 023SAT Core planAlso in Collection 023permeate, static, invariable, olfactory, impecunious, variance, puerile, linchpin and 1 more