discount interest

基本解释

Why is the sight draft subject to a deduction for discount interest?
为什么即期汇票还扣除贴现利息？
Actually, as a result of beautiful couplet store lower discount interest rate 0.5 percent, this crisis goes already basically.
实际上，由于美联储降低贴现利率0.5个百分点，这场危机已经基本过去。
With the increasing development of bill market and the progress of interest rate market in our country, the risk about shift of discount interest-rate of bill business becomes serious.
票据市场的不断发展和利率市场化的推进，使票据业务的转贴现利率风险日益突出。

It's the most simple-- or often called a bill-- a discount bond does not pay interest; it's sold at a discount.
它是最简单的,经常被称为国库券,它是一种贴现债券,且不付息,并以折扣价发行
耶鲁公开课 - 金融市场课程节选
Well, the discount rate is sort of the--you notice there are two different interest rates here and you might be confused by them.
贴现率是一种,这里有两种不同的利率,你们可能会将其混淆
耶鲁公开课 - 金融市场课程节选
We're talking about discount bonds, and then coupon-carrying bonds, and then talk about the term structure of interest rates and why we have interest rates.
我们先讲贴现债券,然后是附息债券,再讲讲利率的期限结构,以及为什么要有利率
耶鲁公开课 - 金融市场课程节选

While you can generally deduct interest payments and discount points (pre-paid interest) on a qualifying home mortgage if you itemize, you may not deduct processing fees as deductible expenses.
FORBES: Taxes From A To Z (2013): J Is For Junk Fees