[] ( actuaries) a person whose job involves calculating insurance risks and payments for insurance companies and pension funds by studying how frequently accidents, fires, deaths, etc. happen (保险)精算师➡ see note at profession ▸actuarial /ˌæktʃuˈeəriəl; NAmE-ˈeriəl/
adjective
◆an actuarial calculation of pension benefits 退休金的精算