REPETEND
Source: 566, 567
repetend. Repetend, n. the parts of decimals continually repeated
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Rep′e‐tend (r?p′?–t?nd″), n. [[L. repetendus to be repeated, fr. repetere to repeat.]] (Math.) That part of a circulating decimal which recurs continually, ad infinitum: — sometimes indicated by a dot over the first and last figures; thus, in the circulating decimal .728328328 + (otherwise .72̇83̇), the repetend is 283.