1. to gradually pay off a debt through regular payments over time
Usage: finance; British spelling
2. to gradually write off the cost of an asset over a period of time for accounting purposes
Usage: accounting; British spelling

Examples

• The company will amortise the loan over fifteen years.
• They decided to amortise their mortgage with monthly payments.
• The business must amortise the cost of the equipment over its useful life.
• We plan to amortise the development costs over three years.
• The bank helped them amortise their debt with a structured payment plan.
• Accountants typically amortise intangible assets like patents and copyrights.