an alloy, often with a nickel, nickel-iron, or cobalt base, capable of withstanding very high temperatures, used in jet engines, rockets, etc.
noun 1. (Christianity) a consecrated portable stone slab for use on an unconsecrated altar
noun, Logic. 1. a universal proposition that is the basis for the immediate inference of a corresponding particular proposition.
[soo-per-an-yoo-eyt] /ˌsu pərˈæn yuˌeɪt/ verb (used with object), superannuated, superannuating. 1. to allow to retire from service or office on a pension because of age or infirmity. 2. to set aside as out of date; remove as too old. verb (used without object), superannuated, superannuating. 3. to be or become old, out of date, or […]
[soo-per-an-yoo-ey-shuh n] /ˌsu pərˌæn yuˈeɪ ʃən/ noun 1. the act of superannuating. 2. the state of being superannuated. 3. a pension or allowance to a superannuated person. superannuation /ˌsuːpərˌænjʊˈeɪʃən/ noun 1. the amount deducted regularly from employees’ incomes in a contributory pension scheme the pension finally paid to such employees 2. the act or process […]