a decimal numeral that, after a certain point, consists of a group of one or more digits repeated ad infinitum, as 2.33333 …. or 23.0218181818 ….
Origin of repeating decimal
First recorded in 1765–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
A decimal in which a pattern of one or more digits is repeated indefinitely, such as 0.353535 …
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.