Wordnet 3.0
NOUN (1)
1. 
 (mathematics) a miscalculation that results from rounding off numbers to a convenient number of decimals; 
- Example: "the error in the calculation was attributable to rounding"- Example: "taxes are rounded off to the nearest dollar but the rounding error is surprisingly small"[syn: rounding, rounding error]
WordNet (r) 3.0 (2006):
rounding error
    n 1: (mathematics) a miscalculation that results from rounding
         off numbers to a convenient number of decimals; "the error
         in the calculation was attributable to rounding"; "taxes
         are rounded off to the nearest dollar but the rounding
         error is surprisingly small" [syn: rounding, rounding
         error]