round off

Definitions

General Science

  • verb to approximate a number to a slightly larger or smaller one of less precision

Accounting

  • phrasal verb to reduce the digits in a decimal number by removing the final zeros

Information & Library Science

  • verb to approximate a number to a slightly lower one, e.g. 1.2 becomes 1
http://www.dictionarycentral.com/definition/round-off.html