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or instalment

[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.
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


or instalment

[in-stawl-muh nt] /ɪnˈstɔl mənt/
the act of installing.
the fact of being installed; installation.
1580-90; install + -ment Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for installment
Contemporary Examples
Historical Examples
  • "It is the first installment of my debt of gratitude; it shall not be the last," said Mrs. Clifton.

    Timothy Crump's Ward Horatio Alger
  • He—he bought a diamond from me this morning—on the installment plan!

    The Cross-Cut Courtney Ryley Cooper
  • We should finish that June installment for the Epoch to-day.

    Rolling Stones O. Henry
  • Money for your personal expenses is to be advanced, and here is an installment.

    Down the Slope James Otis
  • And your Uncle Waterman's started in to pay a few of his debts on the installment plan.

    Otherwise Phyllis Meredith Nicholson
Word Origin and History for installment

"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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