:the act or process of causing something to happen or exist起因；诱因
the role of heredity in the causation of cancer癌症诱因中的遗传因素
2
:the relationship between an event or situation and a possible reason or cause因果关系
He claimed that the accident caused his injury, but the court ruled that he did not provide sufficient evidence of causation.他声称此次事故导致他受伤，但法院裁定他没有提供充分证据来证明其中的因果关系。