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tr.v. am·or·tized, am·or·tiz·ing, am·or·tiz·es
1. To liquidate (a debt, such as a mortgage) by installment payments or payment into a sinking fund.
2. To write off an expenditure for (an asset, especially an intangible one, such as a patent) by prorating over a certain period, usually the expected duration of the asset's benefit.
[Middle English amortisen, to alienate in mortmain, from Old French amortir, amortiss-, from Vulgar Latin *admortīre, to deaden : Latin ad-, ad- + Latin mors, mort-, death; see mer- in Indo-European roots.]
1. (Banking & Finance) finance to liquidate (a debt, mortgage, etc) by instalment payments or by periodic transfers to a sinking fund
2. (Accounting & Book-keeping) to write off (a wasting asset) by annual transfers to a sinking fund
3. (Law) property law (formerly) to transfer (lands, etc) in mortmain
[C14: from Medieval Latin admortizāre, from Old French amortir to reduce to the point of death, ultimately from Latin ad to + mors death]
aˈmortizable, aˈmortisable adj
am•or•tize(ˈæm ərˌtaɪz, əˈmɔr taɪz)
v.t. -tized, -tiz•ing.
1. to liquidate (a debt), esp. by periodic payments to the creditor.
2. to write off a cost of (an asset) gradually.
[1375–1425; < Anglo-French, Old French amortiss-, long s. of amortir literally, to kill, die < Vulgar Latin *a(d)mortīre=a-, ad- ad- + -mortīre, v. derivative of Latin mors, s. mort- death]
Past participle: amortized