causative
adj. 成为原因的，起因的；（语法）使役的
n. 使役动词
例句
Smoking is a causative factor in several major diseases.
抽烟是引起几种严重疾病的病因。
《牛津词典》
Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.
与香烟一起吸入的尼古丁和一氧化碳已经被指控为诱发性因素。
《柯林斯英汉双解大词典》
Anisakis simplex larvae is the most important causative agent of anisakiasis.
异尖线虫病的主要致病源是简单异尖线虫幼虫。
