柯林斯詞典prime rate (prime rates) 1. N-COUNT A bank's prime rate is the lowest rate of interest that it charges at a particular time and that is offered only to certain customers. 最低貸款利率[商業(yè)] At least one bank cut its prime rate today. 至少有一家銀行今天降低了自己的最低貸款利率。 返回 prime rate