installment

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installment¹

  • /ɪnˈstɔːl.mənt/ UK
  • /ɪnˈstoːl.mənt/ Australia, British, New Zealand
  • /ɪnˈstɔl.mənt/ US
  • /ɪnˈstɑl.mənt/ US, cot caught merger
  • /ɪnˈstɔl.mənt/ Scotland

Where it comes from

A 1732 alteration of estallment, from Anglo-Norman estaler (“fix payments”), from Old French estal (“fixed position”), from Old High German stal (“stall", "standing place”)

The sense of "part of a whole produced in advance of the rest" is from 1823.

noun installments · instalment

  1. US One of a series of parts, whether equal or unequal to the other parts of the series, of a given entity or a given process, which part presents or is presented at a particular scheduled interval. Not to give rise to suspicion, I drank when they were looking, and when able to do it unperceived, I quietly deposited the contents, by installments, under the table.
  2. US Any of a series of portions of a debt or sum of money, which portions may or may not be equal in amount (depending in part on whether the interest rate is fixed or variable), and payment of which takes place at regular intervals toward satisfaction of the total. Payments are generally mensual, quarterly, triannual, biannual, or annual.
  3. US A part of a published or broadcast serial. With The Two Towers, the new installment of the Lord of the Rings trilogy, about to storm the box office, we are seeing what might be called the enchanting of America.

    Similar: episode, part

installment²

  • /ɪnˈstɔːl.mənt/ UK
  • /ɪnˈstoːl.mənt/ Australia, British, New Zealand
  • /ɪnˈstɔl.mənt/ US
  • /ɪnˈstɑl.mənt/ US, cot caught merger
  • /ɪnˈstɔl.mənt/ Scotland

Where it comes from

From install + -ment, install from Old French installer, from Medieval Latin installare, from Medieval Latin in- and Medieval Latin stallum, stall from a Germanic source (compare Old High German stal).

noun installments · instalment

  1. US The act of installing; installation. Take oaths from all kings and magistrates at their installment, to do impartial justice by law.
  2. US, obsolete The seat in which one is placed. Each faire Instalment, Coate, and seu’rall Crest, With loyall Blazon, euermore be blest.

Similar: investiture, investment, installation

Thesaurus

Closest in meaning: episode, instalment, installation, installing, chapter, timeline, seminar, timeframe, workshop, tranche, install, portion, share, test, part, delivery

Translations

Every language

noun finance: portion of debt

Españolcuota, plazo, instalamento
Portuguêsparcela, prestação
Françaisau fur et à mesure
DeutschRate
Italianorata
Русскийвзнос vznos
العربيةقِسْط qisṭ

noun media: part of a serial

Españolfascículo
Portuguêsepisódio
Françaisépisode, volet
DeutschFolge
Italianoepisodio
Русскийчасть častʹ, вы́пуск výpusk

noun act of installing; installation

Españolinstalación, instalamiento
Portuguêsinstalação
Françaisinstallation
Ελληνικάεγκατάσταση egkatástasi

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Cite this
MLA

"installment." Wiktionary, via Micwyn, micwyn.com/word/installment. Accessed 6 Nov. 2026.

APA

installment. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/installment

Chicago

"installment." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/installment.

BibTeX
@misc{installment_2026,
  title = {installment},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/installment},
  urldate = {2026-11-06}
}