Principal
The face amount or par amount of a bond, not including interest, payable on its maturity date.
bond-basics
Amortization
The payment of the Principal of a Bond Issue by periodic payments either directly to bondholders or to a Sinking Fund for the benefit of bondholders.
See Also
Start with the Bond Basics
Hundreds of Terms and Concepts
Program Investment
Purpose investments that meet certain rules set forth in Treasury Regulations Section 1.148-1(b).