it·er·a·tion

[it-uh-rey-shuhn]
noun
1.
the act of repeating; a repetition.
2.
Mathematics.
a.
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.
b.
an instance of the use of this method.
3.
Computers. a repetition of a statement or statements in a program.

Origin:
1425–75; late Middle English < Latin iterātiōn-, stem of iterātiō; see iterate, -ion

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
iterate (ˈɪtəˌreɪt) [Click for IPA pronunciation guide]
 
vb
(tr) to say or do again; repeat
 
[C16: from Latin iterāre, from iterum again]
 
'iterant
 
adj
 
iter'ation
 
n
 
'iterance
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Iteration is always a great word to know.
So is gobo. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
FOLDOC
Computing Dictionary

iteration definition

programming
Repetition of a sequence of instructions. A fundamental part of many algorithms. Iteration is characterised by a set of initial conditions, an iterative step and a termination condition.
A well known example of iteration in mathematics is Newton-Raphson iteration. Iteration in programs is expressed using loops, e.g. in C:
new_x = n/2; do x = new_x; new_x = 0.5 * (x + n/x); while (abs(new_x-x) > epsilon);
Iteration can be expressed in functional languages using recursion:
solve x n = if abs(new_x-x) > epsilon then solve new_x n else new_x where new_x = 0.5 * (x + n/x)
solve n/2 n
(1998-04-04)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
The console version will be based on the upcoming third iteration of the game.
If the algorithms were successful at moving the robots closer to a target, they'd be used in the next iteration.
The current iteration of supermarkets is in reality a bit of a pox upon our house.
But the newest iteration is that the firm is pulling strings in the market meltdown and bailout.
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