round-off

[ round-awf, -of ]
/ ˈraʊndˌɔf, -ˌɒf /
Mathematics

adjective

of or relating to the act or process of rounding.

noun

an act or instance of rounding off decimal or fractional figures.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of round-off

First recorded in 1945–50; noun use of verb phrase round off
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for round-off

round off

verb (tr, adverb)

(often foll by with) to bring to a satisfactory conclusion; complete, esp agreeablywe rounded off the evening with a brandy
to make round or less jagged
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with round-off

round off

1

Change a number to the closest whole number or the closest multiple of 10. For example, Rounding it off, I expect the new school addition will cost a million dollars.

2

Also, round out. Finish, complete, especially in a neat or perfect way. For example, They rounded off the dinner with a magnificent liqueur, or That stamp rounded out his collection. [Mid-1700s; variant, mid-1800s] Also see round out.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.