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undouble. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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undouble in singular and plural. Everything you need to know about the word
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English
Etymology
un- + double
Verb
undouble (third-person singular simple present undoubles, present participle undoubling, simple past and past participle undoubled)
- (transitive) To undo the doubling of; to unfold, or render single again.
2014, Alexander A. Stepanov, Daniel E. Rose, From Mathematics to Generic Programming, page 54:So to simulate this, the iterative version needs to repeatedly “undouble” the value, which it will do by calling a function half.