As nouns the difference between annuity and instalment
is that annuity is a specified income payable at stated intervals for a fixed or a contingent period, often for the recipient’s life, in consideration of a stipulated premium paid either in prior installment payments or in a single payment. For example, a retirement annuity paid to a public officer following his or her retirement while instalment is an alternative spelling of lang=en.
annuity
Noun
(annuities)
A specified income payable at stated intervals for a fixed or a contingent period, often for the recipient’s life, in consideration of a stipulated premium paid either in prior installment payments or in a single payment. For example, a retirement annuity paid to a public officer following his or her retirement.
The right to receive such an income.
The duty to make such a payment or payments.
Derived terms
* annuitant
Related terms
* perpetuity
instalment
English
Usage notes
* Both spellings common in Commonwealth countries outside the UK.
* US prefers installment.