a section in a life insurance agreement that says the insurance company will pay double the amount of money if the person who bought the insurance dies in an accident rather than because of illness or old age 双倍赔偿(人寿保险协议上条款规定,如果购买保险的人由于事故而不是生病或年老而身亡,保险公司要付双倍赔偿金)