[] ( 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