音标：['pә:gәtiv]
a. 净化的, 通便的, 赎罪的
n. 泻剂
【医】 催泻的, 泻剂
在线英汉词典

purgative的短语、例句：

purgative n, adj (substance, esp a medicine) that causes the bowels to empty; strong(ly) laxative 通便的; 催泻的; 泻药
This oil acts as a purgative/has a purgative effect. 这种油有催泻作用.
He was given a purgative before the operation. 他在手术前用了通便药.