What is Amortization?

Legal Definition
In business, amortization refers to spreading payments over multiple periods. The term is used for two separate processes: amortization of loans and assets. It also refers to allocating the cost of an intangible asset over a period of time.
-- Wikipedia
Legal Definition
Contracts, English law. An alienation of lands or tenements in mortraain. 2 Stat. Ed. I.

2. The reduction of the property of lands or tenements to mortmain.
-- Bouviers Law Dictionary
Legal Definition
An alienation of lands or tenements in mortmain. The reduction of the property of lands or tenements to mortmain. In its modern sense, amortization is the operation of paying off bonds, stock, or other indebtedness of a state or corporation. Sweet.
-- Black's Law Dictionary
Legal Definition
The alienation of lands in mortmain.
-- Ballentine's Law Dictionary