Definition of repetend in US English:

repetend

noun

Mathematics
  • 1The repeating figure or figures of a recurring decimal fraction.

    • ‘What is the name for the bar over the repetend in repeating decimals?’
    • ‘The length of the repetend (period) of the reciprocal can be used to determine whether the number is prime, although there are pseudoprimes.’
    1. 1.1formal A recurring word or phrase; a refrain.

Origin

Early 18th century: from Latin repetendum ‘something to be repeated’, neuter gerundive of repetere (see repeat).

Pronunciation

repetend

/ˈrɛpəˌtɛnd//ˈrepəˌtend/