recurring decimal
noun /rɪˌkɜːrɪŋ ˈdesɪml/
/rɪˌkɜːrɪŋ ˈdesɪml/
(also repeating decimal)
(mathematics)- a decimal in which the same figure or group of figures is repeated forever, for example 3.999…
- The recurring decimal 3.999… is also described as 3.9 recurring.