/ ˈɪŋkrəmənt; NAmE / noun
1.
a regular increase in the amount of money that sb is paid for their job :
a salary of £25 K with annual increments
2.
( formal ) an increase in a number or an amount
► in·cre·men·tal / ˌɪŋkrəˈmentl; NAmE / adjective :
incremental costs
► in·cre·men·tal·ly / -təli; NAmE / adverb
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WORD ORIGIN
late Middle English : from Latin incrementum , from the stem of increscere grow, from in- into + crescere grow.