Definition from Wiktionary, the free dictionary
- To change the shape of an object to make it more circular.
- (mathematics) To change a number into an approximation having fewer significant digits.
Round off 15.4 to 15, round off 15.51 to 15.5 or to 16, round off 0.499 to 0, and round off 970,000 to 1 million.
"This product contains no PCBs" is a typical commercial distortion if it actually contains 0.498 of the measurement unit, rounded off to "0"
- To complete or finish something.
2011 September 2, Phil McNulty, “Bulgaria 0-3 England”, in BBC:
- Manchester United's in-form striker rose to head home Stewart Downing's corner and then rounded off a sweeping counter-attack involving Theo Walcott and Ashley Young to wrap up the formalities seconds before the break.
to change the shape of an object to make it more circular
to change a number into an approximation having fewer significant digits