fudge factor
fudge factor
a figure which is included in a calculation in order to account for some unquantified but significant phenomenon or to ensure a desired result
Fudge, apparently originating in the mid 18th century as an exclamation of disgust or irritation, later acquired a specific verbal sense in printers' jargon, meaning to do work imperfectly or as best you can with the materials available.
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