9 Grammatical Pitfalls


[in-stawl-muh nt] /ɪnˈstɔl mənt/
any of several parts into which a debt or other sum payable is divided for payment at successive fixed times:
to pay for furniture in monthly installments.
a single portion of something furnished or issued by parts at successive times:
a magazine serial in six installments.
Also, instalment.
Origin of installment1
1725-35; in-2 + obsolete (e)stallment, equivalent to estall to arrange payment on an installment plan (perhaps < Anglo-French) + -ment
Related forms
reinstalment, noun


[in-stawl-muh nt] /ɪnˈstɔl mənt/
the act of installing.
the fact of being installed; installation.
Also, instalment.
1580-90; install + -ment Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for installments
  • The fee could be paid in annual installments, which was a desirable option for the town's poor.
  • The cost of those aids probably is much less than maintaining armies and defense installments in that area.
  • We wrote by turns, in weekly installments, the way people used to read serial fiction.
  • If you've seen the previous seven installments, nothing will stop you from seeing the eighth.
  • Because she was always short of money, she paid in installments.
  • The money would be paid in installments to the employee's student-loan provider after each year of service was completed.
  • While this first one is going to be fairly general, future installments will focus on a specific domain.
  • The letter acknowledges the mistake and requests repayment, offering to stagger my payments in three installments.
  • Yes, the first few installments of the opening season were slow, but the investment is paying off.
  • The report's findings will be no great surprise to anyone who has read the previous installments.
Word Origin and History for installments



"act of installing," 1580s, from install + -ment. Meaning "arrangement of payment by fixed portions at fixed times" is from 1732, alteration of Anglo-French estaler "fix payments," from Old French estal "fixed position," from Old High German stal "standing place" (see stall (n.1)). Figurative sense of "part of a whole produced in advance of the rest" is from 1823.

Online Etymology Dictionary, © 2010 Douglas Harper
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