InterestThe cost of using money.
Interest RateInterest paid divided by the principal amount borrowed.
AmortizationDebt payment which includes repayment of both principal and interest. Over time, a declining portion of the payments is interest.
Interest Deduction
A deduction from income tax owed based on certain types of interest paid such as for a mortgage payment or margin account.
Simple InterestAn interest calculation based only on an original principal amount.
Compound InterestAn interest calculation based on original principal plus accumulated interest already paid.
Cheap MoneyWhen interest rates are low, the cost of borrowing is reduced.UsuryIllegal practice of charging an excessively high interest rate on loans.
利息使用货币的费用。
利率支付的利息除以借入的本金金额。
分期摊消同时支付本金和利息的一种还债方式。每次支付后，每次减少的支付数额来自利息。
利息减少基于支付的某些类型的利息所扣减的所得税，比如按揭付款或保证金账户等。
单利以原始本金为基础计算利息的一种利息计算方法。
复利以原始本金外加累积的利息为基础计算利息的一种利息计算方法
便宜货币利率低时，借款成本降低。
高利贷对贷款收取高额利息的非法操作。