/kən'trɪbjʊtərɪ; [US] -tɔ:rɪ; kən`trɪbjə,tɔrɪ/
adj [usu attrib 通常作定语]
1 helping to cause sth 促成某事物的; 有助于某事物的
*a contributory factor, cause, etc 起促成作用的因素、原因等
* contributory negligence, eg that helped to cause an accident 共同过失（受伤一方因本身疏忽造成的事故）.
2 paid for by contributions 由捐助支付的
*a con,tributory `pension scheme, ie paid for by both employers and employees 共集年金制（由雇主和职工共同出资）.

adj
[only before noun]
being one of the causes of a particular result
　Smoking is a contributory factor in lung cancer.
a contributory pension or insurance plan is one that is paid for by the workers as well as by the company they work for
≠ noncontributory