Also called successive approximation. a problem-solving or computational method in which a succession of approximations, each building on the one preceding, is used to achieve a desired degree of accuracy.
an instance of the use of this method.
a repetition of a statement or statements in a program.
a different version of an existing data set, software program, hardware device, etc.:
A new iteration of the data will be released next month.
Word Origin and History for successive approximation
late 15c., from Latin iterationem (nominative iteratio) "repetition," noun of action from past participle stem of iterare "do again, repeat," from iterum "again," from PIE *i-tero-, from pronomial root *i- (see yon).