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Re·cur v. i. [imp. & p. p. Recurred p. pr. & vb. n. Recurring.]

1. To come back; to return again or repeatedly; to come again to mind.

*When any word has been used to signify an idea, the old idea will recur in the mind when the word is heard.* --*I. Watts.*

2. To occur at a stated interval, or according to some regular rule; as, the fever will recur to-night.

3. To resort; to have recourse; to go for help.

*If, to avoid succession in eternal existence, they recur to the =\“punctum stans”* of the schools, they will thereby very little help us to a more positive idea of infinite duration.\= --*Locke.*

**Recurring decimal** Math., a circulating decimal. See under Decimal.

**Recurring series** Math., an algebraic series in which the coefficients of the several terms can be expressed by means of certain preceding coefficients and constants in one uniform manner.

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Dec·i·mal, n. A number expressed in the scale of tens; specifically, and almost exclusively, used as synonymous with a decimal fraction.

**Circulating decimal**, *or* **Circulatory decimal**, a decimal fraction in which the same figure, or set of figures, is constantly repeated; as, 0.354354354; -- called also recurring decimal, repeating decimal, and repetend.

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From: WordNet (r) 2.0

recurring decimal

n : a decimal with a sequence of digits that repeats itself

indefinitely [syn: circulating decimal, repeating

decimal]