Definition of increment noun from the Oxford Advanced American Dictionary

 

increment

 noun
noun
NAmE//ˈɪŋkrəmənt//
 
 
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a gradual increase in a number or an amount Your savings will grow in increments over a period of months.
incremental
 
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NAmE//ˌɪŋkrəˈmɛntl//
 
adjective incremental costs
incrementally
 
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NAmE//ˌɪŋkrəˈmɛntəli//
 
adverb The changes were introduced incrementally to avoid confusion.
See the Oxford Advanced Learner's Dictionary entry: increment